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Oldsmobile 455 head torque sequence

oldsmobile 455 head torque sequence The High-torque, gear-reduction design Pontiac/Oldsmobile Starter has a 12V, 1. id. lbs. What needs to be done to the TH350 to live with the extra torque from the 455? Finally, what kind of power (ballpark) will the Edelbrock heads, intake, roller rockers produce and 8. 050, . I am replacing head gaskets on my 2004 Oldsmobile Alero v6. Olds 307 350 403 455 Torque Cam Lifter CL Kit w/valve springs 1968-84 Stage 1. The Olds 455 engine was created out of the 425 engine in 1968 by changing the internal workings. 455 That's the Torque of the Town By Marlan Davis CAR the loads on an engine's reciprocating parts increase geometrically with each in- rpm gain. Full time RV living on the road in a GMC motorhome leads to top end rebuild of 1975 Oldsmobile 455 engine. I've ran into this a few times Oldsmobile factory-production big-block cylinder heads are identified by a letter cast into the front lower portion of the head on the number-1 and number-8 cylinders. 7 104 B17A1 92-93 14,23 FT/LBS 56 FT/LBS 22,61 FT/LBS Shop 455 Oldsmobile V8 parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Of all the engines we’ve built on HorsePower, this Olds 455 will always be a tribute to the engine building icon who helped us put it together. Third Member Complete Assembly. 5L OHV 316 287 RV Torque Camshaft Cam kit Spun main in 350 76 class supreme broughm. Complete kit will mount one TorqStorm® Supercharger to an Oldsmobile 350-455. 8 10. We offer a full machine shop, in house engine dyno, and parts supplier serving the local Wisconsin area and worldwide. Call Dave . Torque Tech . gasoline (petrol) engine with displacement: 6548 cm3 / 399. Rear Bumper Cut-Outs for Standard Dual Exhaust System 4. There is a large raised "A" cast at the left side of both heads and the number 383821 below the valve cover, visible on both heads. 050 exhaust 240 @. (19-135. This is a live stream of the resurfaced heads and TORQUE: TORQUE: LUBE: INCRE. Head stud nuts are torqued to 80 lb/ft or more, depending on engine and head gasket type - and that's right about where the Northstar torque + degrees method winds up. How To Plus Size Your Wheels Cylinder Heads One of Miller's reasons for doing the project in the first place was the introduction of new aluminum Bulldog Cadillac heads capable of supporting all those cubic inches. The heads do not have adjustable valves like a chevy. LA1 3400 Torque Specs LA1 3400 Torque Specs. 301 Engine: 350-455 : Bolt, main bearing cap to block 70 lb-ft 100 lb-ft oil 20 lb-ft Bolt, rear main cap to block 100 120 oil 20 Bolt, cylinder head 85 95 * oil 20 Bolt, flywheel to crankshaft 95 95 dry 40 Bolt, oil pan to block 12 12 Any aftermarket cylinder heads (such as Offenhauser, Edlebrock, and others) might provide different torque specs for their products, even though the tightening sequence may be the same. Use the J 36660-A torque angle meter in order to rotate the cylinder head bolts an additional 95 degrees. engines. It reach 15. Howards Cams, 4/7 Swap Hydraulic Roller Camshaft, Oldsmobile 39 Deg. /lbs. Maximizing torque is the real key for building a successful dual- purpose mill. TORQUE PROCEDURETORQUE PROCEDURE 8. The two-bolt main block has a 4. Custom colors available on all custom builds *** call for options on making this a running turn key engine with cast or aluminum intake. 75" intake and 1. HoningPlates. 75" intake and 1. In our Chevy V8 example this is the intake valve for the #8 cylinder Continue through all the intake valves and then start the procedure over for the exhaust. Torque Specs Application: Method: Torque: Increment: Lubrication: Cylinder Head to Block (with Grease Under Head of Bolt) Bolt: 95 lb/ft *NOTE 1 25 lb/ft: Oil: Main Caps 1-4 to Block HorsePower teams up with Joe Mondello, "Dr. Crankshaft Rear Bearing Seal: Engine Oil: 30 ft-lbs. 455 block +. This code has a 2-letter prefix code followed by a 3-digit production code. Surprised a few 5. 3) Horsepower/Torque Curve But it wasn't until '70 that Olds got it together with perhaps the best all-around 4-4-2 ever. Listed here are the general torque recommendations for most ARP fasteners. 6 97 D16A1 86-89 23 FT/LBS 40 FT/LBS 22, 47 FT/LBS ACURA 1. Safe bore on a 303 is a whopping 0. Need a 2500+ converter, intake, headers and 3. 00 – $ 3,200. The base 1970-71 engine produced 200 hp and 455 lb/ft torque. Complete List of Currently Available Engine Applications . By the 1965 model year, Oldsmobile had the answer, by adding 35 additional horsepower. This ad is for a pair of complete assembled aluminum Oldsmobile cylinder heads for 350-403 & 400-425& 455 engines. Then tighten all bolts to 69 N⋅m (7. Blocks 1949 - 1964 The casting number is located at the rear of the bell housing. Buick 430 ci 8 cyl Year 1967-1969 Liter 7. 1L engines & 2001-04 3. That last pull is TIGHT ! (no cracking, either) GM 3. ARP Head Stud and bringing the new stud back to stock torque. ,Edelbrock Aluminum Torker Intake,Chrome Valve covers,Chrome Oil pan,all new rocker arms and pivots,all new seals and gaskets. OLDSMOBILE > 1970 > 442 > 7. The final drive ratio is 3. The absolutely positively BEST intake for a 455 olds is the old Edelbrock Torker. Combining the most successful top-end design with one of GM's torque-iest engines was a match made in heaven. Aluminum heads call for lower torque specs and it is recommended that the mechanic re-check the torque after the engine has run up to temp and then cooled (in Harmonic Balancer Torque Specs Dorman # Applications Torque Spec 594-001 1990-88 3. NOTE: When using TA Aluminum heads on 400 and 430 engines, you must use pushrod oiling, i. Then one by one, back them off a bit and re-torque them. 152 4. 6 liter vin code kcentury 1977 electra 77-79 estate wagon 77-79 lesabre 77-79regal 77riviera 77-78some of the oem bolts may have studs on top caution these do not have Buick 400-430-455 Engine Specifications and Blueprinting . TORQUE: TORQUE: LUBE: INCRE. Torque specs for 307 olds 86-87 are as follows: cylinder heads-- 125 ft lbs. 5 Nm) 5) Torque all of the manifold bolts in two steps by the sequence shown in Figure 3 to 25 ft/lbs. Shop 455 Oldsmobile V8 parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. engine cylinder head bolts main bearing caps connecting rod bolts balancer bolt intake manifold exhaust manifold; 1950-1953 oba v8: 65-70: 80-90: 45-50: n/a: n/a: n/a: 1954-1957 Oldsmobile enthusiast know the difficulty of finding quality information about their engines. Engine Mechanical problem 1994 Oldsmobile Ciera 6 cyl Front Wheel Drive Automatic I need to find the bolt torque specifications for the lower intake manifold and the upper intake plenum for 1994 oldsmobile cutlass ciera. 455 Lifters and Pushrods. Anyway, point being does anyone know the torque specs for the 403 or know where I can get them. In 1968 the engine found its way into Oldsmobile's premium luxury muscle car, the 442. 735-inch connecting rods are pinned to aluminum alloy pistons. All the Olds 455 blocks are much the same, although the 71-76 engines were thought to have slightly lighter and weaker castings. com Steel Grade SAE 5 SAE 8 Socket Head Cap Screws Property Class 8. V8's; Heart shaped chamber for a more efficient burn, outstanding horsepower and torque; Valvetrain has been upgraded from the factory pedestal-mount system to an ARP 7/16" screw-in stud and 3/8" pushrod-slot guide plate for increased valvetrain stability Oldsmobile Engine Decoder 1964-65 V6 (Buick) engines, the engine codes are found on the right-hand cylinder head. Do not attempt to replace all bolts at one time. duration 247 in 254 exh. '70 and up rocker assemblies can be used on 400, 430 and pre '70 350 heads as long as the engine is using the 455 and '70 or later oiling procedure. 528 in 547 exh. This is done to clear the radius on the under head of the bolt. They are manufactured using their gravity casting process, which ensures a more uniform and robust casting. 5. He built this car in 6 months back in 1994. High Output and Super Duty versions of the 455 were added in succeeding years. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. i. 9 compression Total seal rings Clevite bearings Out of the box assembled Edelbrock heads Edelbrock performer intake - port matched to heads Holley 770 vac secondary Thin adaptor plate for carb/manifold - no spacer NGK V power spark plugs Home of the quickest and fastest Oldsmobile rockets on planet earth. The 455 was an improvement on the Pontiac 428 V8. General Motors used the Olds 403 as a ‘corporate engine’ across its line of brands. Since the conception of t These headers will only fit big block Oldsmobiles with 455, 425 & 400 engines from 1965 to 1976 The exhaust outlet is best fitted; to 2 1/2" head pipes with factory style flair and will fit 2 1/4" standard head pipes. d. Cyl Head: # Install new cylinder head bolts. CNC Bored, Square Decked, and Torque Plate Honed. And if there's an engine that's a natural for making gobs of torque, it's the big-block Oldsmobile "Rocket Flowmaster and Pypes exhaust will fit perfect with their standard down pipe for the 455 Oldsmobile. 8- Rocker arm pivot bolt to head GM 7. In actuality the Olds 403 can be one super motor. no emails or texts ,they will be ignored. I didn’t exactly grow up with these motors either but I’ve drivin the olds and the buick. 00. Starting with number 1, the center bolt. Rocker Shaft brackets: Engine Oil: 25 ft-lbs. That thrust gets its ignition sequence from an aftermarket HEI distributor and JEGS 8. d. When you torque the heads the first time, bring them all down to torque. In 2002 and 2003, the 8. Re: 455 Buick or 455 Olds I'd go with the Buick, because I like em, and they are light, and the Huge bore coupled with the short stroke makes in my mind a better combination, also Edelbrock and TA performance have a wide range of parts available for them and if you pick up the latest issue of engine masters there is a Buick 400 buildup that may help you decide. 425 pistons are not fungible with 455 pistons due to a different distance from pin center to top of piston ("compression height"). i. -ft. 875 inch bore. Fastener Tightening Specifications Cylinder Head Bolt: 60 The olds 455 are good motors, torque monsters by any means. Figure 1 - Buick Cylinder Head Bolt Torque Sequence Torque Top Row of Bolts to 110 ft. ” Olds engines used 7/16" head bolts up 'til 1976, after that they used 1/2" head bolts. Examples are rod bolts = yours are 3/8 diameter and so are SBC's your head bolts are 7/16 so are SBC's If your mains are 1/2 then use BBC torque numbers. The engine package is also fairly light making these engines one of the most overlooked high performance engines available. lbs. The Olds 403 was designed to be a big block in a small-block package. I have not had a lot of vehicles with Small Block Chevy's other then As far as retorquing the heads after run in, you should back each one off just a tad and pull to the torque. One owner (my mom)swapped 69 455 out of delta 88 (also one owner)electronic ignition,quadrajet off 350,junkyard manifold,headers. Remove the stock Just as with horsepower, the 8100 Vortec torque varied -- in small increments -- between 2002 and 2006. Thanx! We also torque most of our aluminum heads up to 95 total foot lbs. Summit Racing Answer - 6/28/2016. 0 mustang, and walked a new 86 vette on highway. Edelbrock Performer RPM aluminum heads are the best bet for a high performance 455 engine, having good flow right out of the box. Custom colors available on all custom builds *** call for options on making this a running turn key engine with cast or aluminum intake. 413/. The Rocket 455 was rated at 370 horsepower and an eye-watering 500 pound-feet of torque. How to Measure Wheel Back Spacing This measurement is important to be sure you have proper wheel clearance. in. 030 Cryo'd factory rods ARP main studs, rod bolts, head bolts PRW girdle SRP flat top pistons 10. the Olds 455/403 Improved Power, Torque and Reliability Monday, April 26, 2010. 010 Main Bearings King XP Std Rod Bearings pushrod water-cooled V-8, cast iron block and heads Displacement: 455 in 3, 7450 cm 3 Power: 390 hp @ 5000 rpm Torque: 500 lb-ft @ 3600 rpm. 1 rod Torque: 40-50 Main Torque 80-115 Head Torque 100-120 Bore 4. B heads. com is widely regarded as the go-to torque table when values aren't readily available for listed equipment. 5 mm), giving it one of the widest bores of any factory small-block V8. V8 260-455 1967-1990 Rocket Racing & Performance is a custom engine building facility that specializes in Oldsmobile Performance. Will accept a 1/16th, 1/16th, 3/16th ring package. The combustion chambers are 67 cc and valve sizes are 1. This engine sports Edelbrock Heads and Intake Manifold, which have been port-matched. i. Avoid using J "smogger" heads. 50" exhaust. There is no other place in the world that has more experience with performance Oldsmobile engines. 9000 155 V8 OLDSMOBILE & DRCE BIG-BLOCKS GROUP 0. Tighten the NEW cylinder head bolts to 60 Nm (44 lb ft) in the order shown. 1875 Stroke 3. 5:1 Horsepower @ RPM: 270 @ 4,200 Torque @ RPM: 370-lbs. Torque: 50 Nm (37 ft-lbs) In sequence, turn each Intake Manifold to Cylinder Head 455-55, 400/430-50 Exhaust Manifold to Cylinder Head 18 Carburetor to Intake Manifold 455-13, 400/430-12 Fuel Pump to Cylinder Block 20 Motor Mount to Cylinder Block 455-63, 400/430-70 Fuel Pump Eccentric and Timing Chain Sprocket to Camshaft 22 Rocker Arm Cover to Cylinder Head 4 OLDSMOBILE Engine Torque Values : Year: Engine: 1974- 350, 400, 455, 1975- 260, 350, 455 clean and dip entire bolt in engine oil. The first step is to snug all of the fasteners up in the recommended sequence pictured above. The base 1970-71 engine produced 200 hp and 455 lb/ft torque. 6 cui, advertised power: 268. We deliver reliable horsepower, torque and drivability. Many engines now require torque to yield head bolts that are good for one time use only. 11. Your source for all the parts you need including pistons, camshafts, heads, gaskets and more. At the sides of those cylinders, ceramic-coated, long-tube headers push thrust through large-diameter, true-dual exhaust pipes. Maybe this will help. Lubricate the bolt threads and bottom of the heads of each bolt with ARP Ultra-Torque Fastener Assembly Lubricant. Head-bolt torque can dramatically distort cylinders and cylinders can not be bored or honed accurately if cylinder dimensions change so significantly after assembly. 5:1 pistons. Frequently Asked Questions. The major advance was the newly standard 455-cid V-8, an under-stressed, big-port engine with tug-boat torque. The Hurst/Olds disappeared from the lineup, but it would return for future model years – although the Hurst shifters remained optional. These heads must be used with Performer RPM Olds manifold #7111 only on 350-403 c. Buick's first generation of V8 was offered from 1953 through 1956. 9 cubic inches (6,554 cc). engines. This is a 455 built just for David Shaw. Step 1: 15-20 FT/LBS i have a 403 that im trying to get 500 hp and 500 ft/lbs torque out of. Tighten Tighten the cylinder head bolts to 50 N·m (37 lb ft) in sequence. Any more & you better sonic check the block. 5:1 compression on 92 octane pump gas. Iron Heads: Engine oil (blind hole) Sealer (water jacket) 70 ft-lbs. 5 torque @ 4300 RPM using 10. cam is hydraulic roller from comp. But there was a time in the late-1960s when noted automotive journalist Karl Ludvigsen made the now-preposterous claim that the W43 Olds 455 was “perhaps the most promising and impressive big-bore V-8 engines ever groomed for street and track use by any manufacturer. The 5A head is of a conventional Oldsmobile design, with large rectangular ports (about 1. (1) Apply a coat of engine oil to washers and bolt threads. Your goal is to maintain torque on the cylinder head until all stock bolts have been replaced with ARP studs one at a time. do not tighten top center bolt; until the other 4 bolts are tight, 25 pounds, start at the Alero V6-3. ] PMD Head Castings. Search Car Torque Specifications by Engine or Model Generation Two Oldsmobile V8. These starters are available for most performance applications. My concern is that the large trq difference between the 1/4" and 5/16" inch bolts. Search our online head bolt catalog and find the lowest priced discount auto parts on the web. Its 7. Use torque wrench to install fastener to the torque value from the chart below. 455 Oldsmobile performance engines make great torque and good horsepower even in stock configuration. of torque at 3600 R. A forced air induction package was provided with this option for 1968 only. My Olds 455 marine engine builds use 80 lb/ft, attained in 4 stages. 455 Olds Oldsmobile High Performance balanced crate engine with Aluminum heads. For Oldsmobile 400-425-455 c. It's a legend among muscle car era performance engines. Factory Forged 455 Crank: Stroked to 4. Any head will bolt on any Oldsmobile block, even the newer 260-455 or Batten Oldsmobile heads. Prominently featured in the Pontiac Bonneville, the 455 was also used in the GTO, Trans Am, and the Firebird. Too much torque and you risk damaging threads and causing other sorts of headaches. d. When all bolts have been tightened to this figure, begin the tightening sequence again, and torque all bolts to 130 ft. In sequence, torque all bolts. 1-liter produced 455 foot-pounds of torque at 3,200 rpm. 1993 saturn sl2 1. 5L-455ci-V8 Engine Torque Specs. NOTE: When using ARP head bolts, TA Performance recommends torquing Oldsmobile 455 Engine Rebuild The “rebuilt” engine purchased for project Dangerboat ultimately would fail within its first year. 13 x 4. The rear bumper also featured cut outs for the dual exhaust outlets, which was exclusive to the 1968 and 1970 Toronados equipped with the W34 option. 4 rod Torque: 40-50 Main Torque 80-115 Head Torque 100-120 Bore 4. This gets you to a 3. $1,600. General Specifications for the 1968 400/430 and 1970 Buick 455 Cubic Inch Engines. 269 CYLINDER HEADS 12480010 — DRCE Racing Head Semi-Finished This new DRCE semi-finished head is for the new 4. Low compression Olds 455's should be about 130 PSI when new after broken in, high compression Olds 455's should be from 170 - 190 when new after broken in depending on year of the engine in question. 126 4. 260, 307, 330, 350, 400, 403, 425, 455 Cid. 4 - Answered by a verified GM Mechanic We use cookies to give you the best possible experience on our website. 0 kg-m, 51 ft-lb) in numerical sequence. Although the ports have been raised, Wise says that the current Edelbrock intake for the 455 Oldsmobile engine bolts right on to the new cylinder head design. 030 Cryo'd factory rods ARP main studs, rod bolts, head bolts PRW girdle SRP flat top pistons 10. application. Displacement is very close to the earlier engine, at 399. • Done with torque-cycled ARP fasteners • Same head gaskets as final engine Head Torque Sequence Diagram Click here for this instruction sheet. That is why the Hurst company built the Hurst Oldsmobile with the 455. 4L-207ci-V6 Engine Torque Specs. When you're in the middle of a big build, one of the more difficult things is finding a reliable source for information when you need it. Forged-steel 6. Cylinder Head Bolt Washer. 87 in (98 mm) bore to comply with GM's displacement restrictions in the A-body cars while also reducing tooling costs. 25 3. 050 lobe center 112 degrees, Crane HI Intensity lifters. Beneath that carb, an Edelbrock Torker 455 feeds factory heads and giant cylinders that benefit from a . e. Incidently 307 manifolds are infamous for leaking from corners of manifold-usually in the front. The Fel-Pro 1155 will not require any sealants to the gasket or head. . Most pre 1968 engines use 0. To eek out more HP you can go with higher compression, which will prevent pump gas usage (highest stock 455 comp. engineershandbook. Phone Hours: M-F 7:30a-4:00p PST 800-826-3045 or 805-339-2200 3. if serious call brian at ,thanks. They based the engine off of the 425 CID found in the 1967 Toronado. 560/. 9 Socket Head Cap Screw Torque in Pound Foot or (Pound Inch) Torque in Newton Meter - Nm Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. Torque Values. It was an OHV pushrod engine like the then-new Oldsmobile "Rocket" V8. 0 Pow'r Wires. Use lots of sealer. 900" bore center blocks. For 1970, with 55 more cubes on tap, the Force-Air-inducted W-30 455 was rated at 370 hp at 5,200 RPM and 500-lb. P. Rumor has it the 6A heads were used on Canadian 307's and did not have the AIR bosses drilled. Oldsmobile intrique: i have a 2001 olds intrique 3. Chase if necessary with ARP Thread Chaser, part number 911-0005 (1/2-13). 190 intake and 1. lbs. 73 gears. 4KW motor and a torque ratio of 11:1. Edelbrock/Mondello all out ported aluminum heads. Oldsmobile Intake Manifold Bolt Tightening Sequence and Firing Order Torque Bolts In Sequence Shown to 25 ft. Nice of you to help Higher velocities results in higher torque output and increased atomization of fuel, especially when cold. All 455's and most small blocks [all but late 7A head 307s] use 0. 41 open rearend. Torque Rules. intake manifold-- 40 ft lbs. -----Perfect Match For Stroker Engines! Due to the airflow potential of these heads with porting and oversized intake valves, this head is ideal for stroker combinations where the engine will demand considerably Oldsmobile 455 Turn-Key Engine With 475 HP Built By Engine Builder Eddies Performance $10,500. high-performance engine – 390 horsepower at 5000 R. 4 litre engine is a naturally aspirated, overhead valve, 8 cylinder unit that has an output of 380 bhp (385 PS/283 kW) of power at 5200 rpm, and maximum torque of 678 N·m (500 lb·ft/69. 1968 and 1969 400s shared the Olds big-block standard 4. 351 inches (110. 7L (350) Chevrolet, GMC Truck 75 lbs This is information that you can never find when you need it so here is a table for the ARP Head Studs, Main Studs, and Rod Bolts Torque Specifcations and Stretch Specs. Lubricate all contact areas of the bolts and washers. These bolts are engineered to stretch within a controlled “yield zone”. TRANSMISSION 3-speed automatic. V8's; Heart shaped chamber for a more efficient burn, outstanding horsepower and torque; Valvetrain has been upgraded from the factory pedestal-mount system to an ARP 7/16" screw-in stud and 3/8" pushrod-slot guide plate for increased valvetrain stability Eagle Oldsmobile 455 Stroker Kit 461 468 488 495 Olds 455 Rotating Assembly 455 Oldsmobile Performance Parts . this is just a sampling of the many features these heads have. Special torque sequence is needed…. 250-inch stroke. The number are about ¾" high, and oriented to the right (passenger) side. 00. lb. 50x14: 5 x 5 The 455 Pontiac V8 was introduced in 1970 and provided large-bodied Pontiacs a torque-friendly engine. 7 @ 89. 125-inch bore and the nodular-iron crank a 4. this is just a sampling of the many features these heads have. [ Thanks to Jim Chermack, Bob Barry for this information. 4L VIN E (1999) > Oldsmobile Workshop Manuals > Engine, Cooling and Exhaust > Engine > Cylinder Head Assembly > Cylinder Head Bolts > Component Information > Technical Service Bulletins > Engine - Revised Cylinder Head Bolt Torque/Sequence Once I verify that the engine works fine I'll put on a set of Olds 350 heads '7' casting, do the ignition, rebuild the carb to match, and swap the 350 out for a beefed up one. Rebuilt iron heads with positive valve seals; New valve covers ***Pioneer main and head bolts are replaced in the stage I 455 builds *** limited 12mo. 414 110 LS: Oldsmobile 39 Deg. Producing 20% more cranking power than stock, TCI® High Torque Starters are resistant to heat developed by performance exhaust headers and take repetitive cranking without failure. of torque at 3,600 RPM. Avoid using J "smogger" heads. BHJ manufactures Honing Plates (Torque Plates) to fit more than 400 engine applications in all sizes, from single-cylinder to V-12s and is recognized worldwide as the authority in Honing Plate development and production today. Wheel Lug Nut / Bolt Torque Sequence Correct Wheel Lug Nut / Bolt Torque Sequence - 4 lug, 5 lug, 6 lug. We sell wholesale to the public. Search Car Torque Specifications by Engine or Model Make Liter CID Engine Model Year Rod Torque Main Torque Cylinder Head Bolt Torque ACURA 1. 25 inches Compression ratio: 8. 50 635 Pontiac 455 4. The problem was actually finding a pair, but recently Maximum Torque Specialists (MTS) acquired exclusive rights from the Rebuilt iron heads with positive valve seals; New valve covers ***Pioneer main and head bolts are replaced in the stage I 455 builds *** limited 12mo. 1 Ltr? A BB Chevy can be made to go faster but, of course, costs more to buy and build. Fig. You won't get an accurrate torque if you don't back them off a little bit (maybe 1/16 of a turn). Oldsmobile pulled the plug on this engine, probably due to the fact that the gas crisis was just beginning and the muscle car era was soon ending. Manifolds may be used as-is, or port matched to the same size as the cylinder Hi, Anybody know the sequence and torque for headbolts specs for a 3. com by BHJ Products : Buick, Olds, Pontiac - Honing Torque Plates Cylinder Head Torque Plates Accessories Honing Plates, Cylinder Head Plates, Torque Plates, Honing Torque Plates, Cylinder Head Torque Plates, Engine Mechanical problem 1995 Oldsmobile Cutlass 6 cyl What are the torque settings for head bolts on a 1995 Olds Cutlass Supreme 3. We do this in four steps. Olds straight-8 : 614 (2) '40s motor: Olds 330 J2 : 700 (first generation V8) Olds 330-400 : 560 (5) low deck, w/accessories, no flywheel: Olds 350-403 V8 '86-up lightweight design: Olds 394 : 725 (1) ('59) Olds 371, 394 : 760 (5) Olds 400-455 : 620 (5) high deck w/accessories, no flywheel: Olds 262 V6 Diesel : 590 (4) (from GM SAE paper) Olds It was introduced for 1966 and was the ultimate performance 442 offered. Joe Mondello, known as Doctor Olds, was a pioneer engine builder and a long time friend of the PowerBlock. Fits Pontiac 260-455 *Above image shows starter for Chevy applications. I NEED THE TORQUE SEQUENCE AND SPECS FOR THE HEADS AND INTAKE ON MY 98 OLDS SILHOUETTE 3. both were a blast to drive though Information. A legend from the automotive performance community has passed away. 455 2 Bolt Main Block (Painted Color Of Choice) A Precession Ground Micro Polished Crankshaft Assembled W/Tri Metal Clevite 77 Rod And Main Bearings Set Of Shot Peened Stress Relived I-Beam Connecting Rods W/ARP Rod Bolts Oldsmobile Aluminum heads; 455. Over 6,000 Automotive Torque Specs. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. 72 exhaust valves. 72 exhaust valves. Howards Cams, American Muscle Hydraulic Flat Tappet Camshaft, Oldsmobile 39 Deg. Buick’s 455 cubic-inch, 7. Four critical design changes to make the ultimate 455 Oldsmobile piston. Shop 324 Oldsmobile V8 Engine parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. M. 0 kg-m, 22 ft-lb) in numerical sequence. 9 12. 6 horsepower @ 5200 RPM and 624. 3000 firm. Tap for gallery. 4-liter big-block V8, equipped with the optional Stage 1 heads and Stage 1 cams. Torque Bottom Row of Bolt s to 100 ft. 7L (350) Chevrolet, GMC Truck 75 lbs The 4-4-2 H/O 455 is a rear wheel drive coupé car with a front mounted engine, produced by Oldsmobile. i. Olds 455 Head Stud Kit. Following the manufacturers recommended torque sequence, shown below, torque the bolts per steps 1-4 Rumor has it the 6A heads were used on Canadian 307's and did not have the AIR bosses drilled. i. We offer high quality new, OEM, aftermarket and remanufactured Oldsmobile Bravada Head Bolt parts. The proper use of moly lube reduces the indicated torque but increases the actual clamping force seen as well as making the clamping force more uniform between all studs. Other than that, the engine was basically a stock 455 Rocket V-8 with C heads. The 5A head is of a conventional Oldsmobile design, with large rectangular ports (about 1. →along with ductile iron seats that are compatible with titanium valves. Torque to: Main Caps: Engine Oil: 85 ft-lbs. This is the fastest Toronado. Tillbaka OLDSMOBILE BLOCK CASTING NUMBERS. Engine, horsepower, torque, dimensions and mechanical details for the 1968 Oldsmobile 442. Cylinder head bolt tightening sequence-3. By 1970, the W-Machines came with the 455 cubic-inch V8 advertised at 370 under-rated horsepower (factory information stated that the modifications of the W-30 package added five horsepower to the 442) and delivering 500 foot-pounds of torque. Second pass all M11 bolts (1-10) in sequence: 90 degrees. 5L has a bad head gasket bought another motor with 110000k on it before putting the motor in the car should i re torque the head bolts, if so what is the sequence and ft … Oldsmobile V8 cylinder head bolts 1/2 77 and up 307,350,403 and 455 Oldsmobile engines 307 vin y 1980-90 vin 9 83-90403 vin code k 1977-1979full set of ARP hi performance head boltsalso used in some buick cars buick 403 / 6. /lbs. DIMENSIONS Wheelbase Say “Oldsmobile diesel” and most people think of the trouble-prone 350-cid (5. 842" diameter lifters. 0" tall). d. I need to know the torque and torque sequence. The engine only had 600 installed miles … Read More For Oldsmobile 400-425-455 c. of torque at a low 2800 rpm. This page details the rebuild process for the engine, hopefully the right way this time. P. Lower Intake Manifold to Head Bolts. When installing TTY-style bolts, follow the proper torque sequence and specifications as follows: First pass all M11 bolts (1-10) in sequence: 22 ft. We offer a full machine shop, in house engine dyno, and parts supplier serving the local Wisconsin area and worldwide. , 1651 Atlantic, Union City, California 94587 USA Phone: +1(510)797-6780 Fax: +1(510)797-9364 The BHJ Family of Companies Rocket Racing & Performance is a custom engine building facility that specializes in Oldsmobile Performance. lsa 110. i havent flow tested them yet but im worried these small block heads wont This is the Head Bolt Torque Sequence (Pattern) for the Small Blocks, Mouse Motors or what ever you might lovingly call this motor. 455 Oldsmobile V8 parts in-stock with same-day shipping. d. Engine Type: Oldsmobile tall-deck OHV V-8, hydraulic lifters, iron block and cylinder heads Displacement: 455 cubic inches Bore x Stroke: 4. I cut my teeth in motors with the Mopar Hemi and let me tell you that you had better eat your Wheaties is you want to pick up a 455 or a Hemi crankshaft! Olds 455 4. Thanx! What are the rocker arm torque specifications for a 455 cubic inch Oldsmobile engine? According to most Oldmobile torque specs, the correct torque for rocker arm bolts is 25 ft-lbs. Torque is King Period. While accuracy is a main goal of this page, it is not guaranteed. 9 compression Total seal rings Clevite bearings Out of the box assembled Edelbrock heads Edelbrock performer intake - port matched to heads Holley 770 vac secondary Thin adaptor plate for carb/manifold - no spacer NGK V power spark plugs This hydraulic roller cam in a 496 cu in 455 Olds engine with DMR ported aluminum heads made 549. 0" tall). Again, always refer to your repair manual for the exact specifications for your vehicle. On the V8, tighten the bolts, in the sequence illustrated, to 100 ft. Good Luck. 11. 0-60 in 7. 1970 olds 455 442 engine ran well but needs to be rebuilt complete with the e heads,this is a very rare engine and hard to find. Torque Wrench. 4L engines Access our Alero, Grand Am 1999-2005 Cylinder Head Repair Guide Removal and Installation by creating an account or signing into your AutoZone Rewards account. there are a few companies that sell torque staps for the Olds 455, but i really like the motor plate, it also serves to stiffen up the front end along with holding the motor firm in place, i've broken a few motor mounts with my 455 and the last time that happened Repeat the above steps, starting at #3 through #10, but use the next cylinder in the sequence. 500 Horsepower Olds 455c. Remove the stock Olds power is all in the heads! A,C,F,and K heads are all excellent choices, and can make impressive power when ported. but the Husqvarna script is 9. i. Good: 1966 Toro/442 engine. M. Torque Bolts In Sequence Shown I use three steps to torque the head studs, properly apply moly lubricant on threads and seating surfaces, torque to 25lbs, then 50 lbs, and finally at 75 lbs. 060 overbore. Only for ARP Head Bolt Kit Pro Series Part Number : 134-3610 Torque values are based on 75% of the fasteners yield strength. $0. ENGINE HEADS: Identifying the 65 400 heads is equally simple. 1967 330's used a 39° cam bank angle and larger lifters. 455 block +. Firing Order: 1-8-4-3-6-5-7-2 Cylinder Heads designed for high-performance non-emission 1965-76 Olds 400, 425 and 455 c. 50" exhaust. says to torque them to 70 ft. They're long since discontinued, but still relatively common on E Bay. This piston set includes 8 wrist pins and 8 forged . 00 2. Oldsmobile 455 One mother f'er of a engine producing 500+ ft/ pds of Torque. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Cylinder head bolt tightening sequence-2005 3. Understanding Torque-to-Yield Head Bolts T-T-Y head bolts are particularly common on engines using aluminum heads and/or multi-layer steel head gaskets. For those looking to build an Olds small When you think of performance cars, Oldsmobile is not the first thing that pops into your mind. The heads were torqued in place using ARP head bolts and were torqued to their spec using the special moly lube provided by ARP. On V6's, tighten all head bolts in sequence to the following torques: * All except bolts 5, 6, 11, 12, 13 and 14 - 100 ft. To provide hood clearance Olds Toronados from 1966 to 1970 used an intake manifold with the carburetor mounted very low between the heads (GMC motorhomes with 455s used the same intake manifold). As long as one wasn't from a 442 application (rare anyways) the valve size will be the same. This PROFORM Starter is 100% NEW, not rebuilt with remanufactured parts! Offset design results in more clearance between the oil pan and the starter, and can be rotated for additional chassis clearance. Should be the same for the entire Small Block Olds line (260, 307, 350, 403) Search our online head bolt catalog and find the lowest priced discount auto parts on the web. These heads are capable of over 400 cfm airflow. Please inquire. Final pass all M11 bolts (1-10) (2004 and later blocks): 70 degrees I was confusing it with the hex head size, but the actual bolt sizes are 1/4 and 5/16. This Oldsmobile 442 is resplendent in glossy Twilight Blue with white stripes. These coatings affect fastener torque and joint clamping force and may damage the fastener. 555 110 LS Oldsmobile 39 Deg. ft. The muscle car era peaked in 1970 and Oldsmobile went all in, dropping the 400 engine from the 4-4-2 in favor of the big-torque 455. Not enough torque and your bolt will be in a position to absorb the “hits” versus simply transferring the load when there’s not enough clamping force applied. build Technical Article part 2 This month we will review the components being used in Art’s big block build to set the stage for how we make the tried and true Olds 455 become a power plant producing more than one horsepower per cubic inch. exhaust manifolds-- 25 ft lbs. Oldsmobile discontinued the 403 after the 1979 model year. Special Turbo Hydra-Matic 425 Automatic Transmission with a Higher Stall Speed Torque Converter (identified by code "OM") 3. These are cast from virgin A356 aluminum and are heat treated to T6 specs. V8 260-455 1967-1990 Advertised Duration: 278/282 The first most complete 3800 torque spec guide on the net. According to my trusty Olds engine book, the 455 was available in 310 hp, 320 hp, 365 hp, 370 hp, 390 hp, all street engines, with full manufacturers warranties. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The Oldsmobile 455 Version . The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. 8L (231) Buick, Chevrolet, Oldsmobile, Pontiac 219 lbs 594-002 1996-69 5. Olds 455 block: Line bore with new Program Caps and ARP Studs. Base, High Output, and Super Duty. Want to watch i've used steel cable, turn buckles, chain, solid mounts, and now a motor plate, everyone of these transmit some sort of vibration. carb bolts-- 12 ft lbs. ” 1970 Oldsmobile sales brochure The 455 CID V8 that had previously only been available in the special limited edition Hurst/Olds models were made the standard engine for the year. 21 3. 1966-71 L6 (Chevrolet) engine codes are found on the right side of the engine block just to the rear of the distributor. 233-4304: Chevy Hi, Anybody know the sequence and torque for headbolts specs for a 3. ” I am about to put my recently machined heads back on a 71 455. 324 Oldsmobile V8 Engine parts in-stock with same-day shipping. . it has huge water jackets, a massive crankshaft, a solid valve train and the block, well just try to move one around. i. Oil Pump • 455 cu. 4 - Answered by a verified GM Mechanic We use cookies to give you the best possible experience on our website. →these heads will have 2. grade 8 hex head cap screws in 4-5mm are under the listed range. Cylinder Heads. 185-4001: Olds 455 12pt Head Stud Kit. 5L 455cid V8 > Engine > Cylinder Frank Semkow's Pro Street 50 Olds. , 500 ft. 5 kW / 360 hp / 365 PS ( SAE ), torque: 597 Nm / 440 lb-ft, more data: 1966 Oldsmobile 4-4-2 Cutlass Sports Coupe L69 Tri-Carb Performance Package (man. Oldsmobile meets Elephant Engine Ernie and introduces as large a V-8 as ever bolted into a special-performance production automobile. I NEED THE TORQUE SEQUENCE AND SPECS FOR THE HEADS AND INTAKE ON MY 98 OLDS SILHOUETTE 3. /lbs. 07:1. Non-EGR cylinder head flanges and to the cylinder head side of the Torque Bolts In Sequence Shown to 25 ft. After '72 they are mediocre for horsepower, but still make over 400 ft/lbs. I threw the others in because you may need them. As a result, it has a bore of 4. “Dr. The casting numbers should indicate that they are both 80cc heads, although one is from '71 and one from '72. An 8 quart pan and appropriate oil restricted pushrods, cam bearings and of course oil restrictors in the mains insures proper oiling for the entire engine. The bore /stroke ratio of this motor is awesome. Just try & get somebody to grind a camshaft to undo the valve tangle. 190 intake and 1. Connecting Rod Bolts (Heavy Duty) Engine Oil: 55 ft-lbs. Top: Used on '71 up 455 and 350. -lbs. 7 liter) V-8 that plagued GM’s full-size cars in the late 1970s and early 1980s. Warning!!! If you are using ARP bolts, you must use their specs. Oldsmobile 455 Engine Rebuild The “rebuilt” engine purchased for project Dangerboat ultimately would fail within its first year. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems. How To Read A Tire Sidewall Learn to understand the common markings found on tire sidewalls. Pontiac Motor Division (PMD) was commissioned, for lack of a better term, to produce Olds heads. Modifications to the original 455 Rocket plant are evident. 9 dohc cylinder head torque specs and sequence Cylinder head bolt tightening procedure: CYLINDER HEAD BOLT TIGHTENING SEQUENCE: INTAKE SIDE 8 4 1 5 9 7 3 2 6 10 EXHAUST SIDE In sequence, torque the cylinder head bolts. 12. We offer high quality new, OEM, aftermarket and remanufactured Oldsmobile Cutlass Supreme Head Bolt parts. Torque: 30 Nm (22 ft-lbs). d. The bore was kept the same and the stroke was extended. 0HO (302) Intake Manifold Torque Specs. 2) Tighten cylinder head bolts. →rrp rocker stud girdles are available for rocket racing cylinder heads. 8 mph for 1/4 mile. Cylinder Head Torque Specifications February 1, 2017 Posted by Nate Cooper All , Flathead Engines , Technical Information , Valves, Cams and Heads Please note that the following specifications and related information are derived from a variety of sources (including Ford shop manuals and industry shop manuals) which may show slightly different →cnc heads are available fully cnc ported at an additional cost. Edelbrock Performer RPM aluminum heads are the best bet for a high performance 455 engine, having good flow right out of the box. 4. 4 wheel disc brakes, Pro-Trac S/C 515 tires (18" on the road) and a lot more. Rear Main Cap Engine Oil 120 ft-lbs. Olds beat the other GM divisions to market with the first 455 Cubic Inch motor. Oldsmobile", to build the show's first 455. 5 liters dohc olds intrigue 2001? Can i download in pdf the manual shop. Unlike the Oldsmobile 400, 425 and 455, the 403 was a small block. Needs ported heads that flow in the 300 CFM range. This page details the rebuild process for the engine, hopefully the right way this time. lbs. Over 6,000 Automotive Torque Specs. Finish Choice 1. 5:1). CO2, emis ARP supplies a specific torque to use instead. Once they reach this zone, they spring back to provide a precise level of clamping force over the entire The Pontiac 455 came in 3 versions. Pontiac and Olds Shaker Unit Interchangeability To use a shaker scoop from an Oldsmobile engine you will need to locate another shaker from a pontiac application. Unfortunately most 77-79 Trans Am guys will avoid the 403 like the plague. →along with ductile iron seats that are compatible with titanium valves. Rear tires were doomed. →these heads will have 2. 5 liters dohc olds intrigue 2001? Can i download in pdf the manual shop. 1 kgm) at 3200 rpm. Starting with number 1, the center bolt. Should I rotate each cylinder to TDC befo Cylinder Heads designed for high-performance non-emission 1965-76 Olds 400, 425 and 455 c. Step two is to tighten each fastener to 30 ft lbs using the recommended sequence. i have 72 7a heads with mild port and polish and w30 valves. My turbo 350 behind my 350 olds, or the turbo 400 that came with the 455? Both are stock at this point, and i hear the TH350 sucks a lot less power. BHJ Products Oldsmobile Torque Plate - 400-455 Big Block V8. 030 over pistons. (2) Tighten all bolts to 29 N⋅m (3. 6) For cylinder numbering and firing order, see Figure 3. if you use a std torque going by the bolt diameter you will be very close to what is listed as spec for most any motor. From 2004 through 2006, the engine's torque varied from 440 pound-feet at 4,200 rpm to 450 foot-pounds at 3,200 rpm. It's powered by an Olds 455 bored 30 over, Engle cam, Mondello inner parts. Complete Cylinder Head Torque Specifications for Domestic and Imported Passenger Cars and Light/ Medium Duty Trucks Pontiac Engine Torque Specs Bolts or Parts Lube or Sealer Torque to: Main Caps Engine Oil 95 ft-lbs. 25 650 Head Torque Sequence. 8L (231) Buick, Chevrolet, Oldsmobile, Pontiac 219 lbs 594-002 1996-69 5. But there was another Oldsmobile diesel in that time frame, and it was actually a decent engine — and yet it was largely overshadowed by the bad reputation of its V-8 sister. @ 3,200 Main bearings: 5 Fuel system: Single Rochester Quadrajet four-barrel carburetor Ignition system: 12 A 455 Olds motor is an awesome “torque monster”. It became known as the "Nailhead" for the unusual vertical alignment of its small-sized valves, features that were the result of putting both intake and exhaust valves on the intake manifold side of the "pent-roof combustion chamber" used in this engine series. CAUTION: Use new cylinder head gaskets. V8, 196/208 @ . The Super Duty 1970-71 engine had 335 hp and 480 lb/ft torque. for 1968-1974 Oldsmobile 455 7. The 442 was selected as the […] 1) Install cylinder head and gaskets on cylinder block. Some pre 1968 engines used larger 0. We use only quality name brand parts that we trust giving our customers a superior product for their money. Kept 2. The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. 1970 Oldsmobile 455 Engine for sale,Cylinder Heads totally rebuilt with all new valves,work done by Extreme Head Service in Milwaukee Wi. NOTE 1: The torque values represented here are intended to be for general information only, not for specific installations. limited warranty *** block will be black or olds blue. Base, High Output, and Super Duty. Assembly has been carried out at the Speedmaster’s TDS Department by the Head differential technician. 921" lifters and a 45° cam bank angle, notably 442 and Toronado engines. ft. /lbs. As far as I can tell I just torque down the two bolts on each set of valves and thats it? Are there any tricks to this it sounds too easy. was 10. Everything has been cryogenically frozen to last. , High performance cylinder heads, High lift, long duration camshaft, Special machined crankshaft, distributor curve and carburetor jetting • Modified Turbo Hydra-Matic transmission. (Torque Bolts in 3 to 4 steps, gradually approaching final torque spec) Other Assembly Tips:When installing the sparkplugs and exhaust manifolds,be sure to use a high temperature anti-seize compound on the Olds power is all in the heads! A,C,F,and K heads are all excellent choices, and can make impressive power when ported. Phoned ARP and they said to follow Olds tightening sequence but torque to 70. do not tighten top center bolt until the other 4 bolts are tight, 25 pounds, start at the center 2 bolts then the 2 outer bolts then the center top bolt last. 3" wide by 2. We sell wholesale to the public. lbs. Yet, it also had an advanced design that kept its exterior dimensions compact and its weight below that of the '69 400-cid V-8. 64:1 gears. Do not attempt to replace all bolts at one time. 233-4104: Chevy V6 14˚ Olds Head Stud Kit. Position the chamfered side of the washer on the bolt so it faces the bolt head. →rrp rocker stud girdles are available for rocket racing cylinder heads. Non-EGR Fully clean the cylinder head intake flanges and the engine block end seal surfaces. To get them to seal follow the standard torque pattern sequence for the Oldsmobile V8 and head bolt manufactures recommended torque spec. GM didn't do us Oldsmobile fans any favours, as most shows and material produced was focused on Chevrolet and Pontiac products. Excellent for performance street/strip use. They called it the Rocket 455 which became an excellent marketing tool. 00 2. That's surprising because I don't think they're worth a crap for a big block Chevy. Install fastener hand tight. Harmonic Balancer Torque Specs Dorman # Applications Torque Spec 594-001 1990-88 3. Turbo 400, 1957 olds rear, ladder bar susp. Intentionally blank: Related Parts. 25 in (108 mm) stroke with the 455 but used a very undersquare 3. 3125 Stroke 3. Firing Order Factory shop manual says to torque head bolts to 85 ft. Do not increase torque levels at this time. From the factory the 403 was rated at 185hp and 320 ft/lbs of torque. Drive ability is markedly better with 7A heads than 5A heads -- it almost feels as smooth as fuel-injection! Engines: Oldsmobile V8s: The Pontiac 455 came in 3 versions. 5L has a i have a 2001 olds intrique 3. The Super Duty 1970-71 engine had 335 hp and 480 lb/ft torque. Not only do the bolts have to be torqued down to a given specification, they also must be tightened in the correct sequence. The engine was used across the Oldsmobile lineup through 1976 and horsepower ranged from 275 up to 400. The 455 is a very forgiving and long-lasting engine. 3" wide by 2. Their 77cc combustion chambers almost match the 79-80cc chambers in the non-W-30 production big-block 400, 425, and 455 heads (the extremely scarce '68-'69 W-30 heads had 72 cc's), so a swap to Engine Torque Specs DISCLAIMER : This page is not intended to replace the information contained in a factory level service manual and is intended solely as a "Quick" reference. Apply ARP Ultra-Torque ® to fastener threads and the underhead of the bolt or underside of the nut. Torque Tech Brute force steel billet double roller timing chain set Heads 1974 455 heads, stock(yes STOCK)except for Crane valve springs Cam Crane HI-228/3000-2S-12, intake lift 480 exhaust lift 500 duration intake 228 @. Camshaft Bolt: 74 ft/lbs + 90 degrees angle torque Camshaft thrust plate: 132 in/lbs (T30 torx) Front cover bolts: 15 ft/lbs + 40 degrees angle torque Oil pan bolts: 125 in/lbs Honing Plate & Cylinder Head Plate (Torque Plate) Applications. Special torque sequence is needed . OLDSMOBILE TALL CHROME STAMP STEEL VALVE COVERS WITH BILLET BREATHERS 350 , 455 OLDSMOBILE HIGH TORQUE MINI STARTER Olds Diesel Starter Heavy Duty Oldsmobile High Torque $100 1970 Oldsmobile 442 455 E heads $125 (Edina) pic hide this posting restore restore this posting. limited warranty *** block will be black or olds blue. Induction BHJ Products, Inc. Your goal is to maintain torque on the cylinder head until all stock bolts have been replaced with ARP studs one at a time. 5 sec and reach 135 mph for top speed (fast as muscle car). The engine is bolted to a Muncie M22 rock crusher 4-speed transmission that spins 10-bolt rear end with 3. The combustion chambers are 67 cc and valve sizes are 1. The Haynes manual doesn't even say what the bolts sizes are, they just refer to large and small. Board index; The team • Delete all board cookies • All times are UTC [ DST] Year: Prod Total: Model Designation: Wheel base Inches: Weight Min/Max: Tire Size: Wheel Bolt Pattern: 1960: 189,864: Dynamic 88: 88: 123: 4052/4299: 8. ARP Head Stud and bringing the new stud back to stock torque. Online Question Form. The engine only had 600 installed miles … Read More B) find a 455 or 1968 to 1969 G-400 engine to donate the crank and rods, then get 455 pistons. I still followed the factory torque sequence, basically working from the center out on all bolts and step torqueing them, not bringing them up to full torque until the third or fourth tightening sequence. Do not increase torque levels at this time. Oldsmobile 455 Head Valve Train Kit BIG Valves Olds generic picture 30-degree. 375 w/BBC Journal, Knife Edged, Pendelum Cut, Cryo'd and Omicron Polished Oliver 7" Rods: Cryo'd and Omicron Polished Balanced Rotating Assembly Clevite H . Recommended torque is equal 75% of the fastener’s yield strength. d. The Olds is a great way to produce lots of big block power and torque for modest money. Thank you for your question. Engine Repair Manual. 4L engines Fig. In fact, the 7A 307 engines are rated at 10 more lb*ft than the 5A engines are. Figure 3 - 400-455 c. Most bolts that you need to torque are grade 8. Use the manufacturers (GM) torque sequence, but do not use the engine manufacturers torque specs. Product Information Specification. Although it used the same block as the 455, GM management would not allow Oldsmobile to install an engine of more than 400 cubic inches in the mid size “B” body. The oldest castings (used on the 1965 400– to 425-ci engines) have the letter “A,” and the latest big-block production castings have the letter “J. Low mileage 1970 engine painted the correct color. 050, . 12. . 185-4201: Chevy V6 14˚ Olds Head Stud Kit. Connecting Rod Bolts (Plain) Engine Oil: 45 ft-lbs. The 7/16" head bolts took 85 ft/lbs of torque, and the 1/2" bolts took 130 ft/lbs. ARP bolt co. This is the Head Bolt Torque Sequence (Pattern) for the Mark IV Big Blocks, Rat Motors or what ever you might lovingly call the motor. 00. 125 inches. I am an old timer and had a 1969 SS 396 that subsequently Buick GS Tech tips and info. Used in many applications, from Land Barges to Marine and Industrial/Agricultural uses, including RVs. A little-known SX option for hardtops and convertibles offered a 455 engine 1968 Oldsmobile 442 technical specifications and data. Rings won’t seal well and scuffing is likely to occur if the engine overheats. Rocket 455 CID V-8 Engine with 400 Horsepower, Larger Intake Valves, and Performance Cam (Oldsmobile Part #400165) 2. 0 of 0 found this answer helpful. Sorry but this board is currently unavailable. The combustion chamber in the WPE Z head mimics the design of the SB2, as do the exhaust ports. should I - Answered by a verified Oldsmobile Mechanic We use cookies to give you the best possible experience on our website. Torque applifast. 842", but set on a 45° bank angle. insuring complete manual control 1969 Oldsmobile 442’s, except for the Hurst had the 400 cubic inch engine, not the 455. 6-11lb/ft. Then install the bolts and tighten hand tight. Simply re 7. The total power output is 360 horsepower and 510 lb. DRiV eCatalog Resource Center for Passenger Cars and Light Truck, Small Engine, Performance, Marine, Power Sport, Commercial and Agricultural and Industrial, as well as Technical Information Oldsmobile 350-455 – Single Charger Kit $ 2,950. I actually prefer the buick 455, that 455 made that 1972 buick riveria fly! the olds was a a close socond though but I have a feeling it was carb issues making it hold back as much as it did. Edelbrock Oldsmobile Cylinder Heads are matched in size and operating range with Edelbrock Performer Olds 455 intake manifold #2151 on 400-425-455 c. 9000 Buick 455 ci 8 cyl Year 1970-1976 Liter 7. 301 Engine: 350-455 : Bolt, main bearing cap to block 70 lb-ft 100 lb-ft oil 20 lb-ft Bolt, rear main cap to block 100 120 oil 20 Bolt, cylinder head 85 95 * oil 20 Bolt, flywheel to crankshaft 95 95 dry 40 Bolt, oil pan to block 12 12 Aftermarket Connecting Rod Mfg. V8, 225/229 @ . 455 Oldsmobile V8 parts in-stock with same-day shipping. →cnc heads are available fully cnc ported at an additional cost. oldsmobile 455 head torque sequence