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Readers ask: 1972 buick 455 engine specs?

How much horsepower does a Buick 455 have?

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. However, what made the 455 special was its torque rating of 510 foot-pounds, more than any other engine on the road in 1970.

Is the Olds 455 a good engine?

There are people that will tell you that the 455ci Oldsmobile Rocket motor makes a better street engine than a race motor. In truth, a stock 455 does have a couple of drawbacks that are detrimental to living life above 4,000 rpm for extended periods. The 455’s Achilles’ heel is a poor oil return system.

Are Oldsmobile and Pontiac 455 the same?

Whats the difference between a pontiac 455 a buick 455 and a olds 445 are they the same? about the only thing the same between them is their displacement. This is the same year that Pontiac used the HO (High Output) to distinguish their engine from the Oldsmobile Rocket version and the Buick Wildcat engines.

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How much does a Buick 455 weigh?

ENGINE Weight References
Buick 350 450
Buick 401 685 (1)
Buick 430-455 V8 600

Is a Buick 455 a big block?

Buick big block. Buick introduced a “big block” V8 in 1967 to replace the largest displacement nailheads. It retained a 4.75 in (120.7 mm) cylinder bore spacing, and was produced in three displacements, 400, 430, and 455, through 1976.

Who made the best 455 engine?

Olds beat the other GM divisions to market with the first 455 Cubic Inch motor. In 1968 the engine found its way into Oldsmobile’s premium luxury muscle car, the 442. They called it the Rocket 455 which became an excellent marketing tool. They based the engine off of the 425 CID found in the 1967 Toronado.

How much does it cost to rebuild a 455 engine?

Complete rebuild would probably start around $2000, that varies depending on where you live, and depending on wear and tear. The valve job alone, could be from $200-$600 depending on what parts need replaced, and where you live.

How do I identify a 455 engine?

Casting Numbers

The numbers cast on the lower left corner of the engine block — or on the cylinder head — indicate the year the engine was manufactured. The casting numbers for a 455 include 395021F, 396021Fa and 231788L.

What is the difference between a Pontiac 400 and 455?

The significant difference internally between the 400 and the 455, as you probably know, is the diameter of the main bearing journal on the crank – the 400 being 3.000″ and the 455 being 3.250″.

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Did Pontiac make a 455 engine?

General Motors produced the Pontiac 455-cubic-inch V-8 engine from 1970 through 1976. 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.

What is the best Oldsmobile engine?

The 425 cu in (7.0 L) big-block was the first tall-deck “big block,” produced from 1965 through 1967. It is arguably the best engine Olds made in the muscle car era, although it never made it into a “muscle car”. It used a 4.126 in (104.8 mm) bore and 3.975 in (101.0 mm) stroke.

How much can you bore a Pontiac 455?

Most Pontiac blocks can tolerate an overbore up to 0.060 inch, and possibly more after proper thickness testing. Boring and honing should always include a honing plate.

How much does a 455 Olds engine weight?

Olds 350 is about 560 lbs, 455 is about 620 lbs.

How much does a 454 Chevy engine weight?

Iron 454 with iron heads and stock intake = 650lbs, aluminum heads and intake drops around 90 lbs.

How heavy is a 2JZ?

The 2JZ-FSE is always used with an automatic transmission. The engine weighs 200 kg (440 lb).

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