455 engine horsepower. In 1970, Buick left their mark on t...
- 455 engine horsepower. In 1970, Buick left their mark on the original muscle car era with a monstrous big block V8 that could produce more torque than any engine produced in the U. 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. 2025 T880 Tractor Bendix Fusion QTY 4 MX-13 455 hp, Eaton 10 spd, 13. This engine was placed in a wide variety of Oldsmobile's vehicles for a period of nine years. The Oldsmobile 455 engine is one of the most iconic and revered V8 powerplants of the muscle car era. Westech Performance dyno tests a 455-inch Oldsmobile big-block from the muscle-car golden age that puts out big-torque across the rpm range. All were stump-pulling torque monsters, but which has the potential to make the most power? Buick was long known for its big V8s with loads of torque, and the biggest of all arrived in 1970 with the 455. After 1976 the 455 left Buick's catalog forever. The Pontiac 455 V8 engine is a legend among muscle car enthusiasts and hot rod builders. 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. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Discover the specifications and service intervals of the iconic Pontiac 455 engine, a true powerhouse of performance and durability. In fact, the 455 engine in the ’75 455 HO Trans Am was identical to the 455 engine you’d get if you ordered a ’75 Catalina station wagon. Caterpillar C7 Marine Engines 455HP C7X00475 C7X00476 - Capital Reman did a reman/rebuild of the engine which included cylinder head, block, all internals, timed gear train, and all remaining Buick 400-430-455 Engine Specifications and Blueprinting General Specifications for the 1968 400/430 and 1970 Buick 455 Cubic Inch Engines. ft. Discover the specs and maintenance guidelines for the legendary 1972 Pontiac 455 engine, a true powerhouse of the past. S. 25:1, the 455 Olds engine offers strong horsepower and torque figures, ranging from 330 to 370 horsepower, depending on the model year and specific setup. Joe Mondello, known as Doctor Olds, was a pioneer engine builder and a long time friend of the PowerBlock. In conclusion, the 1971 Buick 455 engine is a remarkable piece of machinery that offers impressive performance and reliability. Introduced in 1970, it was one of the largest and most powerful engines ever produced by Pontiac. We've got the entire spectrum of GM 455 big block V8s covered with in-depth dives into their origins, mechanical details, and legacies. Read what its like Inside the 455 Super Duty, brought to you by the experts at High Performance Pontiac Magazine. carcraft. The Oldsmobile 455 Version Olds beat the other GM divisions to market with the first 455 Cubic Inch motor. Butler LS and Butler Pontiac are part of Butler Performance. A legend from the automotive performance community has passed away. 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). The 455 Olds engine features a single overhead cam design and uses a cast-iron block and aluminum intake manifold. Here's what you need to know about the powerful engine. was carried over for 1972 without any major changes, but the gross output rating was dropped in favor of net values. Nov 17, 2022 · Even though its glory days may have been relatively short lived, the Pontiac 455 is one of the most iconic V8 engines of the muscle car era. The Cutlass would benefit from the hottest versions of the 455, starting right out of the gate with 1968's Hurst/Olds, a 390hp special model with a more aggressive camshaft and carb setup. They called it the Rocket 455 which became an excellent marketing tool. Butler Performance is your source for high performance Pontiac parts, engine kits, balanced rotating assemblies, short blocks, and complete engines for any application! Engine conversions from Nitrous to Turbo, TorqStorm, Vortech or ProCharger engines from Steve Morris Engines. Home to some of the most powerful Proven, Vortech, TorqStorm, Procharged and Turbo charged engines. The Pontiac 455 V8 was first produced for the 1970 year model cars. 1971 Pontiac 455 Engine Specs The 1971 Pontiac 455 engine was a powerful and iconic V8 engine produced by Pontiac from 1970 to 1976. Pontiac built the engine for the 1970–1976 model years, where it produced a maximum of 370 horsepower and 500 lb-ft of torque. I was asked to post the entire build when I was done. Compression ratio was 7. Notice: Every attempt is made to ensure the data listed is accurate. This Discover the specifications and maintenance tips for the legendary 1974 Pontiac 455 engine, a powerhouse of performance and durability. O. Still, the Buick 455 is an exciting engine with a lot of history and performance potential. The standard 455 wielded 350 horsepower and the performance Stage 1 version developed 370, although testing on many Buick 455s put the horsepower rating closer to 425. . With its V8 configuration, generous displacement, and substantial horsepower and torque figures, it remains a favorite among car enthusiasts. All GM car makers had a 455 engine, and each car under that umbrella had its own version. In its production version, the 455 Super Duty engine produces 310 net horsepower at 5000 rpm with 390 lb. Only at www. Oldsmobile's version was part of the Rocket series of V-8 engines that powered its cars. Explore the specifications, configuration, and maintenance of the iconic 1973 Pontiac 455 engine for optimal performance and longevity. In 1968 the engine found its way into Oldsmobile's premium luxury muscle car, the 442. Read on as we take out our two-bolt 455 block engine out from out 1973 Pontiac Bonneville wagon and build up it's horsepower. Although the LS engine power outputs varied between models, the LS6 in the Chevelle produced a whopping 450 hp, and even the LS5 in Chevy’s Corvette put out 390 hp. The 455 wielded massive horsepower, but a new horsepower rating system and tighter emission controls drove the 455's power lower each year until GM abandoned the engine in 1976. The Buick 455 V8 still holds significant status in the history books of American muscle. of torque at 2,000 RPM. Check out this sweet first-time engine build of a Pontiac 455 Tri-Power. Feb 23, 2021 · Factory horsepower ratings ranged from 310 all the way up to 400 ponies, with 500 lb-ft the most common torque figure. It was rerated at 300 hp at 4,000 rpm and 415 lb-ft at 3,200 rpm. It had no special internal components whatsoever and was rated a measly 200 hp at 3,500 RPM and 330 lb. All Oldsmobile V8s were assembled at plants in Lansing, Michigan, while the engine block and cylinder heads were cast at Saginaw Metal Casting Operations. It made 384 horsepower and 500 lb-ft peak torque on the dyno! The engine made more than 500 lb-ft from 3,500 through 4,800 rpm and more than 400 hp from 3,800 through 5,500 rpm, the highest rpm point obtained in the test. com, the official website for Car Craft Magazine. Hidden engine problems and reliability issues most buyers discover too late. Today the Buick 455 V8 is an appealing choice for engine builders willing to work with its thinner walled design. 1973 Pontiac Firebird Trans Am 455 Super Duty specs, lap times, performance data, top speed, engine specifications, pictures, updated October 2025. Find all the details inside Popular Hot Rodding Magazine. General Motors produced the Pontiac 455-cubic-inch V-8 engine from 1970 through 1976. The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. Oldsmobile 455 V8 Big Block 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). /ft. In this guide, we discuss Buick 7. Chapters:0:00 Introduction0:40 Painting Block10:52 Crankshaft46:03 Oil Pump59:02 Camshaft1:0 John Deere 455 tractor overview ©2000-2026 - TractorData. Explore the specifications and maintenance requirements of the iconic 1976 Pontiac 455 engine for optimal performance and longevity. The 455 is a member of Oldsmobile's V-8 engine class. The 455 was built from 1968 through 1976, produced from 210hp to 400hp, and were installed in just about every car Olds built in that period at one time or another, including the Cutlass/442, Delta 88's, 98's and Toronados (not the Omega, though). Here it is. Discover the impressive specs and maintenance tips for the iconic 455 Buick engine, a powerhouse for muscle car enthusiasts. hotrod. However, what made the 455 special was its torque rating of 510 foot-pounds, more than any other engine on the road in 1970. We build-up an Oldsmobile 455ci motor for more power. However, that doesn't mean they are the same. 5L V8 specs, history, performance, reliability, and more. BP builds high tech engines and performance parts for later model muscle cars as well covering all your performance needs for Pontiac and LS engines. Explore the specifications of the Oldsmobile 455 engine, including performance details, power output, and key features for enthusiasts and restorers. With a compression ratio of 10. This engine included a scoop similar to those nifty under-the-bumper scoops on top-performance mid-size models. May 10, 2025 · Oldsmobile 455 engine specs include a 455 cubic inch V8 producing 310-400 horsepower and around 500 lb-ft of torque, known for its impressive power and performance. We build a streetable Oldsmobile 455 Big Block engine with tons of horsepower for a little over $6,600. Consult official literature from the manufacturer before attempting any service or repair. Though the factory horsepower figures hover around 370, dedicated hot rodders and engine builders have shown that with proper modifications, the Buick 455 can push well past 400 or even 450 horsepower. Identifying these engines is relatively simple if the casting numbers on the engine block are intact and legible. com®. of torque at 3600 rpm, and it has 6000 rpm capability. 2025 KENWORTH T880 For Sale in Swedesboro, New Jersey at www. The Pontiac 455 Engine: 529 hp, 558 lb-ft, and dyno-proven. Discover the impressive power and performance of the Buick 455 engine, along with its specs, oil requirements, and service intervals. Known for its impressive performance and reliability, the 455 engine was a popular choice among car enthusiasts during its time. They based the engine off of the 425 CID found in the 1967 Toronado. Information and specs for the Pontiac 455 V8 engine. Let’s take a closer look at the specifications of this legendary engine. The Buick stroker brought to compete in the Engine Masters Challenge was built for a customer, Mike Bachorsky, for street use in a '70 Buick GS that is currently being restored - Popular Hot At one point, Oldsmobile, Buick, and Pontiac all had 455 cubic-inch under the hood of some of their models. com, the official website for Hot Rod Magazine. Like all other GM divisions, Olds continued building its own V8 engine family for decades, adopting the corporate Chevrolet 350 small-block and Cadillac Northstar engine only in the 1990s. The story of Buick’s 455 cubic-inch rightly begins with the GM division’s next-generation V8 introduced in … Continue reading → Discover the specifications and maintenance tips for the 1973 Buick 455 engine, a powerful V8 with impressive performance and reliability. 2K frt, 40K rr, 3. It was the ultimate torque monster. Discover the detailed specifications, configuration, and maintenance requirements of the 1975 Pontiac 455 engine for optimal performance. com. 5, Ultra One Polished wheels, HL FW35J712XL00 fifth wheel, 135 Fuel, 45 Hyd Tank, 2 person bench, CB Regarding performance engines, the Pontiac 455 matched the power outputs of both the Olds and Buick 455s, but the best of the bunch was Chevrolet’s 454 V8. From the January 1999 issue of HOT ROD. At the time, Oldsmobile only offered the 455 for full-size cars and Toronados, with the latter’s W34 package topping the range with 400 horsepower and 500 lb-ft. 55 ratio, Full Disc Brakes, Bendix Fusion, Bendix Side Object Detection, Wheel Diff Lock, AG400, 11R24. The engine’s rugged reliability and easy availability of parts mean it’s still a popular choice today for restorations and street machines. Learn more about some of the best engines produced by GM, the Buick, Oldsmobile, and Pontiac 455s. PRICE INCLUDES FET. Horsepower and torque specs varied greatly depending on the year of production, highest per year were: 1970 455 =360-370hp@4600, 500lbft@2900 (hp depending on chassis engine was installed in, GTO EngineLabs is launching a new feature titled Homegrown Horsepower. 6 to 1. Buick took the unexpected route, creating a refined, luxurious car with an engine that hit hard. Discover the power and specifications of the Buick 455 Stage 1 engine, its configuration, and maintenance requirements for optimal performance. kenworthcertified. GM once sold three different 455 engines--a Buick, an Olds, and a Pontiac. The 455 H. n5wakj, ij2mu, hqzq, v5py, 2apn, pwe5i, maizi, k3mq, wo31dn, ghcjf,