Looking for a Pontiac 455 engine for sale near you? You can find the perfect part at a salvage yard. This car was known as the "Last of the Fast Cars" and is capable of achieving mid-14-second quarter-mile times. You can also find a 455 engine for sale in a salvage yard if you know where to look.
When it was introduced, the Pontiac 455 was one of three four-cylinder V8 engines offered by General Motors. Oldsmobile and Buick offered big-block and small-block versions. In 1955, Pontiac began developing the same eight-cylinder formula and gradually increased the displacement. As a result, it was capable of surpassing the other corporate stablemates in overall size and performance, though it did not adopt the big-block moniker.
The four-stroke, eight-cylinder Pontiac 455 engine was the largest of the three. It was capable of producing between 335 and 350 horsepower and 480 lb-ft of torque. The high-performance drivetrains were being hamstrung by GM's rule. In the 1970s, the 389 was hamstrung by this new rule and the 455 engine was born. The 1970 Pontiac 455 big block V8 was rated at 350 to 400 horsepower and 500 lb-ft of torque. By that point, the competition was stiff.
The first generation Pontiac 455 H.O. engine was a low-production V8 that was rated at eight and a half pounds per cubic inch. It was a four-stroke V8 with eight-inch bore and 6.4-inch compression. In its day, Pontiac had 335 hp and 480 lb-ft of torque. By the 1970s, the Pontiac 455 H.O was the highest-performance V8 engine, and it was still the first to be introduced in the market.
A 455 engine is one of the largest V8 engines produced by any vehicle. Its compression ratio dropped to 8.4 and produced three hundred and fifty horsepower in the GTO. The four-bolt main caps in the Pontiac 455 engine for sale near you are more likely to be in good shape. There are plenty of parts for your car, so you can find the perfect one for your needs.
The first version of the 455 engine was a four-bolt main cap. The four-bolt design was common in all the four-bolt version of the 455 engine. The four-bolt main cap was common for both versions. The first version had a two-bolt water pump. The Super Duty engine had four bolts. A four-bolt main cap is more rigid than a small one. A two-bolt main cap is not a common feature.
After the Judge was discontinued by Pontiac, the 455 stayed in production. It continued to power the Firebird for several more years, with the 455 Super Duty Trans Am featuring 310 hp in 1973. Afterwards, the 455 was replaced with the 400, and the four-cylinder engine was named the "Sabre" of the Firebird. It lasted until the late '70s as the last year for the 4-cylinder.