1971 oldsmobile 455 engine specs

From Mike T - I inherited this 1971 Olds Cutlass from my grandmother back around 1997 with about 40-50k miles on it (I think) for use as my 16-year-old son's first car. 1971 Oldsmobile 442 technical specifications and data. PerTronix D7210801 Flame-Thrower Electronic Distributor Billet Marine Oldsmobile 260-455 Plug and Play with Ig. This unit has an output of 335 bhp (340 PS/250 kW) of power at . Oldsmobile 455 Engine Rebuild. INL12312d - 1971 Oldsmobile 442 455 - V8 455 Cu In 4bbl Carb 340HP & 350HP 4bbl Carb/Air InductionFactory Tune Up Cards - Have all the engine tune up information for your particular car with engine codes, part numbers, and specifications.Please view my other parts: click 'see other items' for hundreds of top quality parts! 455 timing/distributer specs. Fuel system: 1 x 4bbl . Displacement, cid: 455. 455 V8 390 4-BBL AT 10.501 QE(Hurst/Olds) l969 ENGINE HP CARB. 1971 Oldsmobile Cutlass Supreme SX 324 ps, 1676 kg. TRANS. Engine type: V8: Displacement: 7.4 l (454 ci / 7446 cc) Power: 324 ps (320 bhp / 239 kw) Torque: . Vehicles; . All credit is his. The Pontiac Firebird Formula 455 HO's engine is a naturally aspirated petrol, 7.5 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. Those with hardened seal areas that don't require inserts: 455 1971 H 455 71-72 G 455 1972 Ga 455 71-72 J 455 73-76 (Cutlass) K 455 73-76 (Marine / Irrigation) K. 403 77-79 4A. This engine was only available in the SX and the Vista-Cruiser wagon, and was also the only way to get a 455 in a Cutlass Supreme Coupe in 1971. 1967 C heads had this number; 68-9's did not. . 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. https://stores.ebay . In the early '70s the fuel crisis and rising emission standards ended the muscle car era. SX Production: 1970 : 7122 were produced through June, so earlier reports of 7197 for the year are probably correct. Olds Camshaft Specifications 1964-1977. EXCLUSIVE: 1971 Oldsmobile Cutlass And A 455 V8. 1971 455's, except W-30 [see H]. Note that the part # is not the casting number. Today the Buick 455 V8 is an appealing choice for engine builders willing to work with its thinner walled design. See profiles, photos, and specifications of Oldsmobile muscle cars. However, power steadily declined beginning in 1972 when Pontiac reduced it to 300 horsepower and 415 foot-pounds of torque. The base 455ci was rated at 340 hp, while the W-30 achieved a rating of 350 hp. The Y-79 code featured several 455ci engine options, a 400 Turbo Hydra-matic transmission, a cutout rear bumper with dual exhaust, special SX badges on the fenders and other goodies not found on a standard Cutlass Supreme. After 1976 the 455 left Buick's catalog forever. . Valves commonly 2.000 and 1.625", but Toronado and 442 heads had the larger 2.072" intakes. Located at the back of the engine near the Distributor. 1971 Oldsmobile Cutlass Supreme SX - Factory SX Oldsmobile with Upgrades - 4 Speed Automatic with Overdrive - Brand New all Aluminum Heads, Totally gone over from top to bottom, fresh 455 with cam upg . Technical specifications of Oldsmobile Cutlass 1971; Price:-Condition: Used: Item location: Hammond, Louisiana, United States: . Power Ratings. Cutlass Supreme II. 1972 oldsmobile toronado. The main setback for the 1971 Olds 442 models was that aforementioned unleaded gas requirement. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search I've been told it's a 1971 or 1972 engine. Engine output was down for 1971 due to a lower compression ratio, which affected all of GM's engines. Summit Racing SpeedCard - Open a World of Possibilities - Apply Today! The 71's show 350 hp and the 76's show 190 and 215. Here's the chart produced by Karl Sarpolis that was originally printed in the Feb/1995 issue of JWO. Here are features on more than 100 . Fort Worth, TX 76137 (1,539 miles away) 2 97. Replacing the 455 as the top engine was a new Oldsmobile 403 cubic-inch Rocket V8 rated at 180 horsepower (130 kW). Days Listed. The numbers matching Oldsmobile L32 455 cubic inch V8 engine is not running but still resides in the engine bay. 1970,1971,72 GS 350 fan shrouds $125. This first series of Rocket V-8s lasted through 1964, topping out at 394 cubic inches; the second generation of the big Rocket continued in 1965 at 400 and 425 cubic inches, with the latter receiving a .275-inch boost in stroke in 1968 to become the Rocket 455. The specs look pretty much the same. Muscle cars came in many shapes and sizes. Oldsmobile enthusiast know the difficulty of finding quality information about their engines. Yet, the real news for 1970 was the optional W-30 455 V8 - rated at 370 gross horsepower and 500 lb-ft of torque. Bore: 4.15 Compression: 8.2 Firing Order: 18436572. COMP. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Exterior- painted about a year ago to VIN plate paint code specs -- Viking Blue/white vinyl top/pearl white interior. This engine was only available in the SX and the Vista-Cruiser wagon, and was also the only way to get a 455 in a Cutlass Supreme Coupe in 1971. The engine was rated at 250 horsepower. Email: [email protected] Address: 1345 East Chandler Blvd. Classifieds for 1971 Oldsmobile Cutlass. Engine Torque Specs. Stanley, WI. '70 W32: 852 were produced through June, so there were approx 890 for the year. 69,556. Not Yet Reviewed. The engine only had 600 installed miles in the car. The L32 455 cubic inch V8 engine was the only way to get a 455 in a Cutlass Supreme Coupe in 1971. See profiles, photos, and specifications of Oldsmobile muscle cars. GM didn't do us Oldsmobile fans any favours, as most shows and material produced was focused on Chevrolet and Pontiac products. Note that the part # is not the casting number. At the time, Oldsmobile only offered the 455 for full-size cars and Toronados, with . Oldsmobile Engine Decoder 1964-65 V6 (Buick) engines, the engine codes are found on the right-hand cylinder head. '70 W32: 852 were produced through June, so there were approx 890 for the year. . Big block Oldsmobile Rocket 442 crate engines are also available. The base 455 was rated at 340 hp, with the W-30 achieving a rating of 350 hp. 3 spoke Buick sport steering wheel $100. Since the previous owner lunched it at one time (have receipts for reconditioned rods and a welded crank), my guess is that the crank is just toast and the rods probably aren't far behind. The engine block numbers are 396021F with G heads. RWD (rear- wheel drive), automatic 3-speed gearbox. Add To Cart. A quick road test showed that this Olds can now bust the tires in Second . This page details the rebuild process for the engine, hopefully the right way this time. In 1970 and 1971 Oldsmobile introduced a new Cutlass Supreme options called the SX Performance Package. ENGINE CYLINDER HEAD BOLTS MAIN BEARING CAPS CONNECTING ROD BOLTS BALANCER BOLT INTAKE MANIFOLD EXHAUST MANIFOLD; 1954-1958 Transmission offerings included a three-speed manual or Turbo Hydra-matic with the V6, five-speed manual or Turbo Hydra-matic for the 260 V8, and Turbo . My '71 Motor's Manual lists four versions of the 455 in 1971 and all have the same 4 1/8"X 4 1/4" bore and stroke with a compression ratio of 8.1:1; 1) 185 hp 2bbl 2)225 hp 4bbl 3)260 hp 4bbl 4) 265 hp 4bbl 1971 was the year that manufacturers changed the way they rated power output. 455: 100: 100-110: 40-45: 120-140: 55: 18: Cadillac Engines 1954-1971. Muscle cars came in many shapes and sizes. . 1st Photo is that of an "Excellent Example". The 1970 to 1971 Pontiac 455 generated 325 and 455 foot-pounds of torque. Miles. Thus, this document focuses on stuff that we know works. The 455 High Output generated 335 horsepower and 480 foot-pounds of torque for 1970 and 1971. Type: ohv V-8. Easy to use parts catalog. Forged-steel 6.735-inch connecting rods are pinned to aluminum alloy pistons. This camshaft is a Howards Cams piece with what sounds like very aggressive specs at .560 / .555 lift and 278 / 282 duration but in this roller profile, will actually behave better on the street than a similar flat tappet spec'd cam would. A large number . This meant that engineers had to cut compression from 10.5:1 to 8.5:1 on the car's standard 455 CID V8 engine. . . Oldsmobile 442 II 7.5 V8 Car Specs (1971) View more information about Oldsmobile 442 II. By 1975 the horsepower in the Ninety Eight was down to 190. May include vehicles with color changes, and/or minor removable modifications, but preserve their original engine specifications and body configuration. Vehicle history and comps for 1971 Oldsmobile Cutlass s/x 455 Convertible VIN: 342671M181403 - including sale prices, photos, and more. Video Walkarounds. Comp cams XE268H-10 cam (.485/.490 lift, 224/230 duration @.050, 110 lobe seperation). Information and specs for the Pontiac 455 V8 engine. Online Paperwork. Engine: 455 V8. Standard drivetrain on the new 1971 Oldsmobile Toronado included a mighty 455-cid V-8 hooked up to a special "split" Turbo Hydra-matic 400 transmission that let the big engine remain in the "north-south" alignment typical of rear-drive cars.Beginning with 1971, the engine was calibrated to run on low-lead, no-lead, or regular-grade gasoline rather than premium as a result of a reduction in . The Oldsmobile 455 Version . Oldsmobile specifications list. All credit is his. 15 results per page. In its introductory model year as the division's top engine, the round-port 455ci had a gross rating of 335 hp at 4,800 rpm and 480 lb-ft at 3,200 rpm. It was in near perfect shape as his grandmother bought it new and babied it, and it had a beautiful . SUFFIX OR CODE 250 L6 l55 l-BBL MT 8.50:1 VA 250 L6 l55 l-BBL MT 8.50:1 VB(withA/C) . Find OLDSMOBILE 7.5L/455 Camshaft Kits and get Free Shipping on Orders Over $99 at Summit Racing! was carried over for 1972 . Engine, horsepower, torque, dimensions and mechanical details for the 1971 Oldsmobile 442. Description coming soon. Engine. I bought an olds 455 engine from a friend and had it bored 30 over ; put in better pistons ; a mid range cam ; an edelbrock performer intake with a 770 street avenger carb. Set an alert to be notified of new listings. 1971 Pontiac Firebird Formula 455 HO: The Firebird Formula 455 HO is an automobile from Pontiac, with rear wheel drive, a front located engine and a 2 door coup body style. Oldsmobile Engines 1954-1975. Engine Block Date Code. The engine was a PAW kit with 10.5:1 forged pistons, stock heads, and a relatively mild cam. Price. A New Product "NEW" 426 Hemi/440 Wedge Blocks . So, if your C head has a stamped ID like V2023456G in figures about " tall, that'd be from a 1967 400-4V, possibly a W-30. I was looking at the specs for 1971 vs. 1976 455 Olds engines. gasoline (petrol) engine with displacement: 7446 cm3 / 454.4 cui, advertised power: 167.5 238.5 kW / 225 320 hp / 228 324 PS ( SAE net SAE gross ), torque: 488 624 Nm / 360 460 lb-ft, more data: 1971 Oldsmobile Ninety-Eight Hardtop Sedan Rocket 455 V-8 225-HP Turbo . sutton and richard wedding. Color Matador Red Engine 455. Engine Specifications 1970 - 1971 with 4 Barrel Carb Max Brake . The next 1 or 2 numbers represent the date, and the last number is the year. The 66-70 Toronado intake is actually a negative riser for hood clearance. Mileage. Max Brake Horsepower: 335 @ 4800 rpm Max Torque: 480 @ 3600 rpm Stroke: 4.21 . They based the engine off of the 425 CID found in the 1967 Toronado. In 1973, a 250-horsepower 455 with 370 foot-pounds of . 1971 Oldsmobile Cutlass Supreme SX / 455 1971 Oldsmobile Cutlass. The intake was a long . SX Production: 1970 : 7122 were produced through June, so earlier reports of 7197 for the year are probably correct. This is a quick referrence for various automotive engine bolt torque specifications. Engine output was down for 1971 due to a lower compression ratio (8.5:1), . See our comprehensive vehicle overview for the 1971 Oldsmobile 442 including production numbers, performance specs, factory colors, and OEM brochures. $7,850 . . By not having a specific engine designated with the second and third numbers of the VIN, new car buyers in 1970 and 1971 avoided paying increasingly high insurance premiums. Virtual Financing. Color. Oldsmobile Engines 1954-1975. Here is a 1971 Oldsmobile Cutlass Supreme SX 455 that is just plain cool. If you want controversy, sign on to all the Olds (both at Wild About Cars and wherever) forums and go for it. Olds beat the other GM divisions to market with the first 455 Cubic Inch motor. 1971 Oldsmobile 442 (#829) A true 442 Matching number car, 455 Auto, Overdrive, Dual Gate shifter Power Disc brakes Power Steering Tach, A/C, Ram Air, Wing New Radial TAs Nice . AUTOMATIC,455 CI,4 BARREL,365 HP ENGINE STOCK CARBURETOR,NEW TIRES.ORIGINAL INTERIOR.NEWER PAINT. . Oldsmobile FAQ 455 CID Engine Detail. The 1971 442 was available in a hardtop coupe and convertible body type because the sport coupe disappeared for the . The "rebuilt" engine purchased for project Dangerboat ultimately would fail within its first year. After 1976 the 455 left Buick's catalog forever. This engine was only available in the SX and the Vista-Cruiser wagon, and was also the only way to get a 455 in a Cutlass Supreme Coupe in 1971. Displacement, cid: 455. The 455 now produces 310 pounds of torque (at the wheels) at just 3000 rpm, proving that the cam was indeed the culprit. The Pontiac 455 V8 was first produced for the 1970 year model cars. With the right heads and camshaft, it's simple to transform even a later version of the motor into a 500hp build (with a girdle required to strengthen the block past the 600hp mark). There is more information out there on rebuilding and modifying Olds engines than could ever be placed in one document. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Oldsmobile Delta 88 Royale Hardtop Coupe Rocket 455 V-8 185-HP in 1971 the model with 2-door hardtop coupe body and V-8 7446 cm3 / 454.4 cui, 138 kW / 188 PS / 185 hp (SAE net) of power, 603 Nm / 445 lb-ft of torque, 3-speed manual powertrain offered since September 1970 for North . 1971 Oldsmobile Cutlass S - 455 Turbo 400 - 10 Bolt Posi Rear, Power Steering, Power Disk Brakes,. . ENGINE CYLINDER HEAD BOLTS . I ran a 455 with nitrous in a 1971 Cutlass. The 1971 SX was basically the same as the '70, but with only one engine for the entire year; the L32 4-bbl 455, now with lower compression and its net horsepower rated at 250. Also posted near Fort Worth. 1971 Oldsmobile 442. The base 455 2-barrel was rated 310 horsepower, then a 340 hp version, then 365, then 390 for the B/C carlines. This Viking Blue low mileage example is trimmed with the W-30 striping package and equipped with the twin-scooped forced air induction hood and air cleaner. CO2, emis. 350 V8. 1 0 . Over Duration Lift Year Part # lap Int./Exh. Engine 455 V8 Miles 5,159. Compression would drop from 10.5:1 to 8.5:1 even in W30 package cars, and camshafts would slide back to the streetable side of the ledger. This brought horsepower down to 340 from the previous . This knocked torque down to 460 lb-ft and horsepower to 350, both gross ratings. Free Shipping. Oldsmobile enthusiast know the difficulty of finding quality information about their engines. Engine VIN Codes Decodes engine codes used in Vehicle Identification Numbers . I looked up the timing settings , but some say 8 degrees ; some say 10 degrees. Find 10 used 1971 Oldsmobile Cutlass as low as $34,500 on Carsforsale.com. Man that was a fun fun first car. You will get a lot of information, Also, NHRA blueprint specs list the dish size and call that 10.5:1. Compare. $333.99. Official information on technical data: engine specs, mpg consumption info, acceleration, dimensions and weight. of torque at 3,600 RPM. designed as a retrofit to the older Olds engines that came originally with a flat tappet hydraulic cam. The sport coupe . Contact. 4-door sedan body type. Fuel system: 1 x 4bbl . Big Block Head ID/Codes, Casting Numbers. Technical specifications of Oldsmobile Cutlass 1971; Price:-Condition: Used . 455 1966 B 455 67-69 C 455 68-69 D 455 68-70 E 455 1970 F all of the above were for leaded fuels. . The two-bolt main block has a 4.125-inch bore and the nodular-iron crank a 4.250-inch stroke. 10. SOURCE: 1995 Oldsmobile Cutlass Ciera SL 2.2 head bolts you have long bolts and short bolts, long bolts go in positions 1,4,5,8,9 - short bolts remaining positions, all long bolts go in back of engine, toward fire wall or front of dash, those are positions starting at passenger side to drivers side, 8,4,1,5,9, so 1 is in the center position, 9 on drivers side. 1971 Oldsmobile Cutlass Supreme SX specs, performance data, engine specifications, pictures, updated March 2022. fastestlaps. In 1968 the engine found its way into Oldsmobile's premium luxury muscle car, the 442. So the factory hp rating doesn't mean much. or brawnier than those from Oldsmobile. 9-1 compression, big valve Ga heads. Shop millions of cars from over 22,500 dealers and find the perfect car. Published: June 7, 2022 Categorized as: find hidden objects in pictures . The 1971 Oldsmobile 4-4-2 W-30 was the last of a muscle car breed. The motor has a knock (appears to be a rod knock) so the thing has to come out. 1971 Oldsmobile 442 - sold for $27,500 1971 was the penultimate year for Oldsmobile's great 442, which retained the powerful 455 CI engine as standard equipment. 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.ft. 8 vehicles matched Now showing page 1 of 1. . It has the front bucket seats, center consul, floor shift, solid rear end and a mot. 1971 High Output (H.O.) The 442 would carry in one form or . OTOH, the specs on the 400hp W-34 motor was identical to the 390hp W-33 and base 365hp 442 motor. Engine type: V8 Oldmobile Rocket 455 Cu: Displacement: 7.5 l (455 ci / 7456 cc) Power: 375 ps (370 bhp / 276 kw) @ 4400 rpm: . $1,103 above avg. 1964-1971 OHV 6: 85: 80: 30: 80: 20: 25: 1972 OHV 6: 80: 75-85: 26-30: 50-60: 20-25: 20-25: 1973-1975 OHV 6: 105: 75-85: 26-30: . If your needs are a stroker crate motor we can take and modify any Oldsmobile engine to your specifications. Olds Camshaft Specifications 1964-1977. Here is my scenario: 1976 CVX-20 with a 455 Olds. The first letter equals the month. This code has a 2-letter prefix code followed by . Suite 101 Phoenix, AZ 85048. Here are features on more than 100 . More Info . Int./Exh. A 5 horsepower difference didn't seem like much however the W-30's advertised horsepower figure was underrated by Oldsmobile, true horsepower output was a little over 400 horsepower. 1970 Oldsmobile 442 Cutlass specs, 0-60, performance data, top speed, engine specifications, pictures, updated January 2022. . . These all were for unleaded fuels. Example: A128 = January 12, 19*8. Application 1964 387484 52 278/282 .430/.432 330 Police Pursuit 577994 36 250/264 . 1971: 350 455 9.16 1-4 Roch 4MV-7041251,3,7/ALL 406115,Note a 1.6 H 69.75 E. 350 455 9.16 1-4 Roch 4MC-7041252/AUTO ONLY 404522,Note b 1.6 H 69.75 1, The G code heads are in place and the engine delivers power to the rear end through a Turbo . View Our Products. 7041159 1971 2 455 a oldsmobile 7041250 1971 4 350 all oldsmobile 7041251 1971 4 455 all oldsmobile 7041252 1971 4 455 all oldsmobile toronado 7041253 1971 4 455 m oldsmobile 442 7041257 1971 4 455 a oldsmobile 442 7042155 1972 2 350 m oldsmobile . Application 1964 387484 52 278/282 .430/.432 330 Police Pursuit 577994 36 250/264 . . Fortunately, the 442 would find ways to still produced great cars despite this. Cody's Classic Cars. 1971 Oldsmobile Cutlass$59,995. If it's an A, B, or C head, look for the engine unit number/ID code as detailed in the Blocks section under Big Block Unit Numbers. of dealers, companies and individuals offering cars, parts and services for antique, classic, vintage and muscle cars. They called it the Rocket 455 which became an excellent marketing tool. Today the Buick 455 V8 is an appealing choice for engine builders willing to work with its thinner walled design. The following are turn key engines available from Eddies, be sure to call us to get a specific price quote on these engines: a Oldsmobile 350 Modified Crate Engine - 300 hp The 455 H.O. Standard Engine. Rebuilt 1972 455. The 1968 Delta 88 produced 310 horsepower with the 455 engine, while the Ninety Eight with a four-barrel produced 365 horsepower. Toronado were 375 hp standard and 400 with the W34 cam package.Kinda weird that most of the B/C engines were rated thru single exhaust. 1971 Oldsmobile Cutlass Supreme SX / 455 1971 Oldsmobile Cutlass Supreme 2 DR Did they use different standards in those years? My first car was a 71 Gutless SX 455 4bbl auto. The 1970 442 W-30 455 would be Oldsmobile . . Type: ohv V-8. This 1971 Oldsmobile Cutlass Supreme Convertible is a premium classic convertible with nice power options, a new top, slick paint, and its numbers-matching V8. The Block Date Code represents the production date of the engine. Standard Engine. The code consists of 3 or 4 digits. 39,599 miles below avg. The Middle Photos show only a small portion of the SUN & AEA Tune Up Charts/Spec Sheets we've accumulated. This pushed me to consider an LS swap, but to keep the feel of an . In 1970 Oldsmobile may have deceived the insurance companies by fitting the legendary Rocket 455-cid V-8 into a Cutlass Supreme SX. Report at a scam and speak to a recovery consultant for free. 1970-1972 Buick GS 455-350 engine parts, Fan Shrouds - $50 (Rochester) 1971 Buick 455 4bbl intake painted nice shape $100,Front 455 timing cover $100, 455 auto flexplate, engine brackets,7 blade clutch fan. Here's the chart produced by Karl Sarpolis that was originally printed in the Feb/1995 issue of JWO. ENGINE CYLINDER HEAD BOLTS MAIN BEARING CAPS CONNECTING ROD . lbf, with a 370 hp W30 option available. 1971 Oldsmobile Delta 8oyale convertible with 455 cu in V8 engine with automatic transmission, power steering, power disc brakes, power windows, power door locks, power seat, power top, and factory air conditioning. Over Duration Lift Year Part # lap Int./Exh. 00:00. This was a rare model offered by Oldsmobile until it was discontinued in 1975. Int./Exh. 1972 oldsmobile toronado. Call for details! 1971 Oldsmobile 4-4-2 Series 34400 Convertible Part Number: PNX-D7210801. or brawnier than those from Oldsmobile. With the right heads and camshaft, it's simple to transform even a later version of the motor into a 500hp build (with a girdle required to strengthen the block past the 600hp mark). From the spreadsheet, we examine what becomes of the compression ratio of a SB Olds if we swap heads from some other SB Olds engine. Don't let scams get away with fraud. Specifications, Part & Services, Museums & Clubs for Antique, Classic, Vintage and Muscle Cars . GM didn't do us Oldsmobile fans any favours, as most shows and material produced was focused on Chevrolet and Pontiac products. Estimated Ship Date: Jun 21, 2022 (if ordered today) Drop Ship. I CAN NOT Guarentee that your chart will be as clean and crisp as this depiction. The 1971 Oldsmobile 4-4-2 W-30 was the last of a muscle car breed. Engine Original numbers matching engine and transmission . . 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. Phone: 480-285-1600. In 1971 the Oldsmobile 455 V8 would begin to fade from the high performance landscape. I've ran into this a few times . Green. I've ran into this a few times . Joshua Mortensen.

1971 oldsmobile 455 engine specs