Buick 455 engine specs

Buick 455 engine specs

All were naturally aspirated OHV pushrod engines . S. By Sep 23, 2018 · 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. Jul 10, 2013 · The ONLY time you can use the stock initial timing specs is if the engine has the distributor that it left the factory with. So the factory hp rating doesn't mean much. 5 #,o,y: $6496: or exact original replication or specifications. According to my Steven Dove book, the lowest rating was 225HP/360TQ, in the GS455, it was rated at 250/375, the GS455 Stage1 was rated at 260/380, and the Stage1 in the Riviera was 270/390. 75-in. 72-74 455 Heads 5. Camshafts; 400/430/455 Poston Cams Grinds and Numbers; 400/430/455 Kenne-Bell Cams Grinds and Numbers; Buick 455 Drag Strip Tests from Kenne-Bell; High 10's Secrets for Your Buick 455; Buick Staging Chart Jan 5, 2015 · 1970 Buick Gran Sport 350 & Gran Sport 455. 90 inch stroke of the previous year’s 400 V8. 5L/455 Motor Mounts and Inserts. In 1968 Oldsmobile debuted the Rocket 455, an engine that was part of a family of 3 (with 400 and 425 cubic inch engines sharing a similar architecture). Jun 18, 2009 · Stock Vs. Camshafts; Street Cam Selection Guide; 400/430/455 Poston Cams Grinds and Numbers; 400/430/455 Kenne-Bell Cams Grinds and Numbers; High 10's Secrets for Your Buick 455; Buick 455 Drag Strip Tests from Kenne-Bell; Head Flow Chart; Buick Staging Chart manufactured by Buick in United States. i can tell you that the engine did NOT come from a Riviera as those sequence May 13, 2011 · The Nailhead had a big-bore, short-stroke design that offered tremendous torque spread out over a wide rpm range. 95 each through Summit Racing. The information listed above does not include porting. Thought I'd post the info for whatever it's worth since I found it. 25:1, but it was closer to 9. Same runner cc's, chamber cc's, valve sizes as the OEM head being replaced May 20, 2021 · The Pontiac 455 V8 was The GTO and Firebird Brand's Last "Big Block". 3 cui, advertised power: 235 kW / 315 hp / 320 PS ( SAE gross ), torque: 556 Nm / 410 lb-ft, more data: 1970 Buick GS Sport Coupe 3-speed Heavy Duty (man. 8:1 in reality. Built in more plentiful numbers, and with a bigger bore, these 455-cube Buick engines seem to get all of the attention. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. 5:1 compression, but that fell to 8. Bottom line is these were SAE net figures. 1970 Buick GranSport Stage 1 GS 455 specs, 0-60, quarter mile, top speed, engine specifications, pictures, updated January 2024. The engine had a factory output rating of up to 360 horsepower and 510 lb-ft of torque at 2800 rpm. Oct 10, 2022 · In terms of power, the regular-spec 455 was conservatively rated at 350 hp, yet the torque it could produce was unmatched. In-Store Pickup Location. 5 liters, which contributes to its impressive power output. . 88 KW) @ 3800 RPM and 345 Ft-Lbs (468 NM) @ 2000 RPM. As the 1970 model year began, it soon became apparent that one of its strongest performance contenders was the 1970 GS 455 Stage 1, a big Feb 23, 2023 · BUICK Gran Sport 455 1970-1971 pecs, photos, engines, years, launch date and history. The two-bolt main block has a 4. The . This agrees well with your swing of 16 deg at 2500 rpm using the lighter springs. 0 cu in. Buick's roots with the engine actually stretched back to 1967, when the division released 400 and Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Buick GS 455 Sport Coupe in 1970 the model with 2-door hardtop coupe body and V-8 7468 cm3 / 455. Dec 17, 2023 · Engine Specs. 67-68 400-430 "Big Port" Heads (These heads flow about 5% better due to larger intake ports). 3 cui, advertised power: 141. White arrow shows where VIN is stamped for pre-71 models. Production Years. This engine was the biggest offering of a trio of engines (400, Buick's Big, Bad V-8 Engines: The Nailhead, 430, 400, 455, and More. 87@113. H = Flint, MI. It also has a shift kit with the TH400 trans and it really shifts fast, I like it. These specifications should also be correct for the 1966 model year. 4 - A/C turned to full on position. Q: What transmission did the 1976 Buick Electra have? Aug 1, 2023 · This 1970 GS 455 is as close as I can get to a Stage 1, the engine was rebuilt to Stage 1 specs (also ported), which I really love. 455 - 11. Jul 15, 2021 · Oldsmobile 455 V8 Big Block. Harold Rolls of Ontario Canada owns a 1969 GS clone which has run solid 11 second times at Bristol, Bowling Green, Englishtown and Cecil County. The power is produced by a naturally aspirated engine of 7. Camshafts; 400/430/455 Poston Cams Grinds and Numbers; 400/430/455 Kenne-Bell Cams Grinds and Numbers; Buick 455 Drag Strip Tests from Kenne-Bell; High 10's Secrets for Your Buick 455; Buick Staging Chart Sep 29, 2013 · The F-body engine bracket is lower than the full-size bracket. Among the torque kings in the GM world are the Buick, Pontiac, and Olds 455ci twisters 400/430/455. 5 L. 38. 20-in. The edict reduced the compression ratio of the GS 455's V-8 to 8. by George Nenadovich Here is side by side comparison of 1970 455 heads. The Buick V8 family can be divided into four groups: the first (1953–1956) and second (1957–1966) generation Nailhead, the 1961–1980 small-block, and the 1967–1976 big-block. Jul 1, 2006 · This engine's foundation is a factory-production 1976 Buick 455 block. 5 l (456 ci / 7468 cc) Jan 5, 2002 · You'll need a good free flowing dual exhaust of 2 1/2" minumum. The car spent its 48 years in relative obscurity in Lebanon Buick Riviera (aut. bore spacing left plenty of room Aside from the intake and a slightly different camshaft, a '70 Toronado engine was identical to the small-valve big-car L-31 455, and in 1969, the only difference was the larger intake valves. #7. Attached is a picture from the 1963 Skylark assembly manual. 1 mm: Number of valves : 16 Valves : Aspiration Aug 26, 2014 · Buick 400, 430, 455 Engine Specifications; Big Block Buick Casting Numbers; Buick 455 O. Sep 24, 2018 · The GS 455 and GS 455 Stage 1 were available only in two-door hardtop (Sport Coupe) and convertible guises. 455 and 350 Engine Build-ups. This will prevent straining or distorting the parts as well as preventing thread damage. Although it reported 20 less horsepower than the Hurst/Olds, it featured forged connecting rods, aluminum pistons, and a balanced rotating assembly. Results 1 - 5 of 5. 735-inch connecting rods are pinned to aluminum alloy pistons. May 7, 2009 · See All 12 Photos. This is between number 1 and 3 cylinders. 1 - BTDC - Before top dead center. E. Removed components and the shell were evealuated for potential trouble spots. Regular 455 head, Stage 1 and Stage2 heads. 480-922-6807 Built right, the buick 455 will scare you. As the badge hints, the 455 signified the selection of sales code A9. Jan 31, 2009 · FREIGHT: To get an accurate quote on freight for a BUICK 455 complete engine , A/C exhaust etc, and TH 400 trans, attached, secured via stretch wrap and / or straps and bracing on a pallet requires a 56"X56" and 30" tall, weighs 1000 lbs. 25 Records Per Page Default Sort. All Buick V-8 engine cylinders are numbered from front to back; left bank, 2-4-6-8; right bank, 1-3-5-7. Attached is a picture from the '70 Buick shop manual (fig 68-29). Camshafts; Street Cam Selection Guide; 400/430/455 Poston Cams Grinds and Numbers; 400/430/455 Kenne-Bell Cams Grinds and Numbers; High 10's Secrets for Your Buick 455; Buick 455 Drag Strip Tests from Kenne-Bell; Head Flow Chart; Buick Staging Chart This preference was exemplified in the 1970 release of the 455 cubic-inch V8 engine, boasting an impressive torque output of 510 lb-ft (692 Nm) and solidifying Buick’s reputation as a torque Dec 28, 2023 · When the big V8 was enlarged to 455 cubic inches for 1970, the 3. 00-in. Dry or dirty threads produce friction which prevents accurate measurement of the actual torque. Published: Aug 19, 2018. Perhaps Buick fans would just have to do it the hard way, by getting some eighth-inch steel and bending, welding, and drilling until it works. The instrument cluster featured round gauges set into square pods. You simply connect the light, plug your vacuum advance, and have a second person slowly rev the engine. Buick 400-430-455 Engine Specifications and Blueprinting . May 1, 2017 · Rather, the 350 should be seen as a smaller version of Buick's second-generation 400/430/455 V-8s, which launched in 1967. Horsepower tumbled along with it, to 315, from 350. 5 kW / 365 PS / 360 hp (SAE gross) offered since September 1969 for North America U. 3) , model year 1975, version for North America U. Buick 400, 430, 455 Engine Specifications; Big Block Buick Casting Numbers; Street Cam Selection Guide; Buick 455 O. 5:1, from 1970's 10. 4 = Buick. Buick/General Motors. Nov 14, 2018 · The group member (and now good friend) had recently purchased the Regal Black 1970 GS 455 Stage 1 four-speed via Craigslist. Only Cadillac's 472 and 500 cubic-inch engines produced more torque than the Buick 455 H. Engine Size: 7. 312 inch to 4. All 455 blocks have the engine code stamped in this area. 7- Air Injector reactor (A. This is the same 72 WF engine. 1. Use an Edelbrock performer manifold with a rejetted quadrajet. The double-barrel and quadrajet 350 V8s also saw power bumps, to 260 hp/360 lb-ft and 285 BOLT TORQUE SPECIFICATIONS. English Français Deutsch Svensk Português PT Español русский Italiano български Nederlands Polski Português BR Türkçe Buick Engine Description Cubic Inch Horse Power Idle Type 455: 400: Lopey: 9. 400/430/455. Mar 15, 2008 · 46H478989. 2-door coupe body type. 4 to 18. The travel is just in the wrong direction. Get all the Info. There were no other significant changes but with the larger displacement, the base 455 with a four-barrel carburetor Feb 23, 2021 · A better-known and more common special edition 455 was the W30 package, which debuted in 1970 on the 442 edition of the Cutlass. GM said all its 1971 models must run on low-lead, regular-grade fuel (91 octane), and meet stricter exhaust-emission standards. This was the SP code 350, and was also the highest output Buick small-block V8 ever. Forged-steel 6. 2. Sep 3, 2022 · For only 1970, Buick released their highest output version of the GS350 V8, with the engine code SP. The following information has been directly complied from original 1970 Buick service manual. Explore the Buick LeSabre Hardtop Coupe 1973 455-4 V8 Auto 1972, 1973 detailed specs, including 0-60 mph times, horsepower, and handling data. Both heads have the same casting number. Nov 17, 2022 · It was 1968 when Oldsmobile unveiled the Rocket 455. autoevolution ENGINE SPECS - 7. So this is a proven 11 second street legal GS. Part Type: Motor Mounts and Inserts. The engine has a displacement of 455 cubic inches, or 7. Unlike Oldsmobile and Buick, which had both big block and small block engines on the shelf, Pontiac had been developing the same eight-cylinder Jan 22, 2016 · Moderator. It says that "the last three digits will designate the day of the year". This ensures proper lubrication and protection for the engine components. Disassembly commenced soon after the title traded hands in 1993, starting with the removal of the A-body's brightwork: bumpers, trim, grille and all exterior lighting. 250-inch stroke. unfortunately, most Buick production records got trashed so we can't track your VIN. 1953 - 1966. 31 inch bore yet the same 3. 900 inches. The GS 400 disappeared, and Buick replaced it with the new GS 455. Jul 21, 2013 · Buick 400, 430, 455 Engine Specifications; Big Block Buick Casting Numbers; Buick 455 O. E. 5L V8 4MT RWD (355 HP) Cylinders: V8 : Displacement: 7466 cm3: Dec 24, 2015 · According to a specs sheet I found, the 79 buick 350 engine distributor vacuum advance unit starts between 3-6"hg and is max advance 5* @ 7-9 hg. 7 cui, 261 kW / 355 PS / 350 hp (SAE gross) offered since September 1969 for North America U. 0 deg. Ported heads will obviously flow better than any non-ported heads. 69 430 Heads 4. Nov 13, 2018 · Mecum is currently offering the Jones-Benisek 1970 Buick GS Stage 2 at its Las Vegas sale on Friday, November 16. A: Buick produced 124,559 examples of the Electra in 1976. With its V8 configuration, cast iron construction, and various displacements, it has left a lasting impression on the automotive world. Engine type: Buick 455 Cu V8: Displacement: 7. These specifications are for clean and lightly lubricated threads only. It’s a rare occasion when a factory test car with an experimental engine is offered for public sale, and the opportunity to take home a documented example of maybe the baddest Buick ever made. gasoline (petrol) engine with displacement: 5724 cm3 / 349. 90-in stroke of the 400 CID and 430 CID engines was maintained, but the bores were opened up to 4. Untitled Document. 7 cui, 201. S Mar 14, 2024 · Here are the recommended engine oil specifications and service intervals for the 455 Buick engine: – Engine Oil: It is recommended to use a high-quality engine oil with a viscosity of 10W-30 or 10W-40. Back in 1970, Keith Diabo’s father came home with a new Buick Riviera GS and sparked what would be Keith’s calling in life – restoring classic muscle cars and engines. By following the recommended engine oil specifications and service intervals, you can ensure that your Buick Oldsmobile was first with its Rocket 455 engine, and Pontiac and Buick both followed suit in 1970. 5 kW / 190 hp / 192 PS ( SAE net ), torque: 386 Nm / 285 lb-ft, more data: 1972 Buick GS 350 Sport Coupe (man. This configuration allows for a smooth and balanced power delivery, ensuring optimal performance. Of the three 455 cubic inch V8 engines offered by General Motors in 1970, the Pontiac 455 took the most unusual route to the market. Use a reliable torque wrench to obtain the figures listed below. May 6, 2022 · The 455 in its name speaks directly to the car’s BigBlock V8 455 cubic-inch engine. 9 inches 109. Explore the Buick Centurion Convertible 1973 455-4 V8 High Performance Auto 1972, 1973 detailed specs, including 0-60 mph times, horsepower, and handling data. The previous owner had the F-41 suspension package installed and it handles super nice. The easiest way to determine your total advance is to use a dialback timing light. Correct or 400/430/455. (up to September): For the table with this car full photo gallery and complete technical specifications (including final drive and gear ratios, powertrain description, inside and outside dimensions etc. 5:1 in 1971 and then to 8. RWD (rear-wheel drive), manual 3-speed gearbox. 3 - Manual trans. Engine type: V8: Displacement: 7. The hole in the lower left is the dipstick hole. Buick introduced the GS455 with a significantly scaled-up engine tied to a Hurst-shifted performance 3-speed and 4-speed manual transmission. Interiors were typical of Buick: upscale plush in your choice of vinyl bench, vinyl notchback or vinyl bucket seats with matching door panels in a variety of colors. Introduced in 1953, the overhead valve Buick design incorporated vertical valves (the small size of which gave rise to its somewhat uncomplimentary nickname of “Nailhead”) and a pent-roof combustion chamber. 3215 inches, yielding a comfortable stroke/bore ratio of . Of course this still has to be verified. - 6° BTDC. ) with 205 BHP (150. Feb 1, 2005 · Most Buick V8's run best at WOT, with a total timing of 30-36*, all in at 2500 RPM, or less. Camshafts; Street Cam Selection Guide; 400/430/455 Poston Cams Grinds and Numbers; 400/430/455 Kenne-Bell Cams Grinds and Numbers; High 10's Secrets for Your Buick 455; Buick 455 Drag Strip Tests from Kenne-Bell; Head Flow Chart; Buick Staging Chart The 455 Pontiac V8 was introduced in 1970 and provided large-bodied Pontiacs a torque-friendly engine. ), full performance and economy data, or to compare up to 5 cars side Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Buick GS 455 Stage-1 Sport Coupe in 1970 the model with 2-door hardtop coupe body and V-8 7468 cm3 / 455. Apr 29, 2021 · After 1976 the 455 left Buick's catalog forever. Prominently featured in the Pontiac Bonneville, the 455 was also used in the GTO, Trans Am, and the Firebird. 7 cu-in / 7468 cm 3: Bore x Stroke : 4. V8-455: 15: 100: 45: 28: 30: 4: Torque Specs are Mar 16, 2024 · The Buick Nailhead engine is a true classic, known for its unique design and impressive performance. Q: What engine did the 1976 Buick Electra have? A: The engine powering the 1976 Buick Electra was a V 8 (7456 cc | 455. Heads courtesy of Dennis Wheeler. The stock distributor for a 1970 GS455 is 1111984. 478989 = sequential production #, this will match the last 6 digits of the VIN of the car in which the engine was originally installed. Offering between 310 and 400hp, and pushing out a spectacular 500 lb-ft of torque, the 455 big block was most famously used in the 442 muscle car. $490. The three numbers are some form of build date code. 904:1. Harold can be reached from the membership on this site via e-mail. General Specifications for the 1970 Buick 35 Cubic Inch Engines. 6 - 12° BTDC for V8-425 with two carbs and auto trans. English Français Deutsch Svensk Português PT Español русский Italiano български Nederlands Polski Português BR Türkçe Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Buick GS 455 Stage-1 Sport Coupe 4-speed in 1970 the model with 2-door hardtop coupe body and V-8 7468 cm3 / 455. 31 x 3. Specifications listing with the performance factory data and ProfessCars May 24, 2023 · The purpose of the dish is to adjust for desirable compression ratio. of torque at 3,600 RPM. Camshafts; 400/430/455 Poston Cams Grinds and Numbers; 400/430/455 Kenne-Bell Cams Grinds and Numbers; Buick 455 Drag Strip Tests from Kenne-Bell; High 10's Secrets for Your Buick 455; Buick Staging Chart Aug 19, 2018 · Greg Jones is Content Director and Editor of Engine Builder Magazine. (Comment refers to pre '59 nailheads Nov 12, 2009 · Buick 400, 430, 455 Engine Specifications; Big Block Buick Casting Numbers; Buick 455 O. ft. Really, the clamshell mount system--if it can be adapted to a Buick engine and chassis--would solve all the usual engine mount problems. The Buick V8 is a family of V8 engines produced by the Buick division of General Motors (GM) between 1953 and 1981. Part Groups. Engine Family: General Motors, Buick V8 Big Advertised Comp Ratio: 10. 3) Horsepower/Torque Curve. 6 = 1976. The spark plug wires go into the In-Line distributor cap in the firing order and in a counterclockwise direction. bore and 3. Camshafts; Street Cam Selection Guide; 400/430/455 Poston Cams Grinds and Numbers; 400/430/455 Kenne-Bell Cams Grinds and Numbers; High 10's Secrets for Your Buick 455; Buick 455 Drag Strip Tests from Kenne-Bell; Head Flow Chart; Buick Staging Chart Feb 23, 2024 · Check Details 455 head comaparison, 455, stage1 and stage2. With 510 lb-ft (691 Nm) attainable as low as 2,800 rpm, it delivered more Nov 20, 2016 · There were several ratings for the 72 Buick 455 depending on the model it was installed in. High Output and Super Duty versions of the 455 were added in succeeding years. | 7. 5 litre capacity. Aug 5, 2020 · The '76 Buick shop manual shows a 455 distributor to have full mechanical advance at 4400 rpm of 13. And lastly pick a cam that matches the way you intend to use the engine (most important) TA performance has some great cams. Notice how close the Stage 1 valves and they almost touch, you can barely fit a dime between them. 5 - Turn adjusting screw in Clockwise until engine misfires, then turn. Manufacturer. The Buick 350-4 SP made 315 hp and 410 lb-ft, which was just 35 hp less than its big block 400 V8 counterpart – though it made 100 lb-ft less in torque. The 455 cid engine featured bigger valves, hotter cam, more displacement, and a functional cold air system that produced an absolutely stump pulling 510 ft/lbs of torque. Mar 5, 2019 · The 1971 Stage 1 cars are difficult to document without original paperwork, but this car came with the original window sticker and Protect-O-Plate indicating it was sold new by Larke Buick in RERING Engine Kit w/Rod+Main Bearings+Gaskets+Piston Rings 1970-1976 Buick 455 (Fits: 1971 Buick GS 455) Brand New: Internal Engine Parts Group. The first letter is W which is barely visible to the naked eye, must have been a worn out stamp at the factory. 125-inch bore and the nodular-iron crank a 4. I. These heads Using this numbering system the FIRING ORDER of the In-Line engines is:1-6-2-5-8-3-7-4. 50:1 Induction: 1-4 Bbl Engine Type: V8. The Super Duty was an engine mostly used for racing purposes, but Pontiac looked to use this new 455, which now had a bore of 4 Aug 1, 2004 · We canvassed the big-block world and came up with seven engines, from Mopar 440s to Ford 460s, through Buick, Pontiac, and Olds 455s, a 500ci Cadillac, and of course, a 454ci big-block Chevy. General Specifications for the 1968 400/430 and 1970 Buick 455 Cubic Inch Engines. Specifications listing with the performance factory data and ProfessCars Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Buick GS 455 Stage-1 Sport Coupe 4-speed in 1972 the model with 2-door hardtop coupe body and V-8 7468 cm3 / 455. 3:1 before the engine was discontinued after the '76 model Sep 24, 2018 · ENGINES. stroke, the layout thoroughly embraced GM’s latest short-stroke theories, while generous 4. – Oil Filter: When performing an oil change, it is essential to BUICK 7. 475/475 lift) nudged the big block's Mar 15, 2024 · The Buick 455 Stage 1 engine features a V8 configuration, meaning it has eight cylinders arranged in a V shape. 325 inch with just a honing. Today the Buick 455 V8 is an appealing choice for engine builders willing to work with its thinner walled design. BUI-72 Issued: 2/25/1972 Last Revised: 2/21/2003 Revisions: 1-1-96, 2-24-96, 10-02-01, 2-21-03. 5L/455. The engine production code scheme that used two letters followed by three numbers started with the 1963 model year. 427-Inch Small-Block Chevy Engine Makes 656 HP on the Westech Dyno The Buick GSX 455 Stage I is a rear wheel drive vehicle, with the powerplant positioned in the front, and a 2 door coupé body. The advertised compression ratio for the 1970 455 was 10. Specifications listing with the performance factory data and ProfessCars™ estimation Dec 22, 2008 · The 455 V8 was new to Buick in 1970, it had a new monster 4. Edelbrock Heads The Edelbrock aluminum cylinder heads for Buick V-8s are PN 60049, fully assembled. Apr 25, 2016. Chevrolet 454 Big-Block Engine Blueprint Specifications: 1972 Buick 250 HP 455 V8. On this particular engine, the bores cleaned up from the factory size of 4. The standard 455 was good for 14 second range quarter mile times. The vacuum advance adds between 14 and 18* at 16" of vacuum. O. Camshafts; Street Cam Selection Guide; 400/430/455 Poston Cams Grinds and Numbers; 400/430/455 Kenne-Bell Cams Grinds and Numbers; High 10's Secrets for Your Buick 455; Buick 455 Drag Strip Tests from Kenne-Bell; Head Flow Chart; Buick Staging Chart 1959-75 Buick engine torque value charts give you the correct bolt tightening requirements to prevent damage. We Aug 5, 2016 · Buick 400, 430, 455 Engine Specifications; Big Block Buick Casting Numbers; Buick 455 O. Though Buick claimed the Stage 1 system was only good for 10 hp, quarter mile times for Stage 1 Buicks See full list on liveabout. Mar 6, 2018 · Buick 400, 430, 455 Engine Specifications; Big Block Buick Casting Numbers; Buick 455 O. Sep 23, 2018 · The Stage 1 Buick GS shell still attached to the chassis. At press time, the heads sold for $947. According to the Chassis manual, that distributor has between 30 and 34* of mechanical timing at 4600 RPM. Apr 9, 2024 · Buick may have the surprise issue in the super-car series this model year. 75-76 455 Heads. The GS 455 was actually an option to the base GS during the 1971-'72 model years. Mar 10, 2024 · The 455 was created by boring out the Pontiac 421 Super Duty engine. 0:1. 5 x 99. Buick 1970 gs mcacn convertible engine line455 heads stage head stage2 riser rectangular intake indicating 1972 notice heat middle also headers 1970 buick body service manualHeads buick 455 engine restoration v8 boattail se big intake assembly done painting riviera. Engine type - Number of cylinders : V 8 : Engine Code : GM Buick Big-Block V8 455-4 : Fuel type : Petrol : Fuel System : Carburetor 4-Barrel : Engine Alignment : Longitudinal : Engine Position : Front : Engine displacement : 455. - 8° BTDC Auto trans. 2 - D- Drive N- neutral. R) 1970 Buick GSX Stage 2 specs, 0-60, quarter mile, top speed, engine specifications, pictures. Individual Parts. OTOH, the specs on the 400hp W-34 motor was identical to the 390hp W-33 and base 365hp 442 motor. Aug 24, 2022 · The biggest Buick Special Skylark engine in 1963 was a four-barrel, 215ci V-8 with 200 hp, but by 1965, According to Hagerty, a 1970 Buick GS 455 in good condition has a value of $43,900. 90 bore and stroke, five main bearings, hydraulic lifters and Rochester four-barrel carburetor, it was the same basic big-block that had been introduced in time for Buick 350 Engine Specifications and Blueprinting. 0:1 to 10. 11. 5 kW / 274 PS / 270 hp (SAE net) of power, 529 Nm / 390 lb-ft of torque, 4-speed manual powertrain offered since September 1971 for North America U. We estimate a sale price of $175K-$200K. The Buick “Big Block” series of 400, 430, and 455ci engines all shared a common stroke of 3. All specifications, performance and fuel economy data of Buick GS 455 Stage-1 Sport Coupe Hydra-Matic (205 kW / 279 PS / 275 hp), edition of the year 1971 since September 1970 for North America U. 7 cui, 268. Again, camshaft specs (. The 455 was an improvement on the Pontiac 428 V8. The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. I gotta go buy a new battery to throw in the car so I may not get to checking it until This engine family reached its peak displacement with the introduction of the 455-cid powerplant in 1970. 70-71 455 Heads 3. Mar 3, 2016 · Let’s dive straight in for a closer look. Under the Hood with Buick Specialist Keith Diabo of Gran Sport Autobody. With its 4. com The 1971 Buick GS 455 wasn't alone. The stock pistons sit below deck at TDC as well. The Buick 455s were launched in 1970 with 10. The original 322 CID, 172 hp V8 that arrived in 1953 set the pattern for all the Buick Nailhead V8 engines to follow through 1966. The 400-cubic-inch engine in their GS series has been replaced by a 455-inch version, conservatively rated at 360 General Specifications for the 1966 Buick 401 and 425 Cubic Inch Engines The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. , including acceleration times 0-60 mph, 0-100 mph, 0-100 km/h, 0-200 km/h, quarter mile time, top speed, mileage and fuel economy, power-to-weight ratio, dimensions, drag coefficient, etc. All carriers require it to be drained, some carriers require full crate, which adds more wieght, time and Learn more about some of the best engines produced by GM, the Buick, Oldsmobile, and Pontiac 455s. 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). For the buyer looking for even more power there was the Stage 1 option. If you haven't yet selected an engine for a particular swap, this chart might guide you to a comparatively inexpensive, less-popular engine that will fit equally well. That hurts engine efficiency and detonation resistance. For 1970, the GS 350 returned, but the 350 V8 engine was now modified to produce 315 horsepower. Muscle Car Image Gallery. The dimensions given are for an average engine of the make and size listed; however, it must be remembered that intake and exhaust manifold variations on the same engine in Oct 1, 2010 · We build a streetable Oldsmobile 455 Big Block engine with tons of horsepower for a little over $6,600. ls dv tr ey id nn dl hk ct cs