What kind of engine did Pontiac make in 1955?
In 1954, General Motors leaned heavily on Chevrolet and Pontiac to develop V-8 engines for the 1955 model year and provided them with all available resources to ensure success. Pontiac settled on a 3.75-inch bore and 3.25-inch stroke to produce a 287-ci package.
When did the Pontiac V8 get extra horsepower?
Optional dual exhaust added about 10 hp to either engine. Pontiac created its first extra-horsepower package in mid 1956. With more compression, dual 4-barrel carburetors, and a special camshaft, the combination boosted horsepower to 285.
What was the compression ratio of a Pontiac V8?
The rocker system, consisting of a stamped-steel rocker arm pivoting on a single stud, was one that many other manufacturers adopted for their V-8s in later years. Engines featuring a compression ratio of 7.4:1 were rated at 173 hp. A machined (decked) cylinder head was utilized to boost compression ratio to 8:1, and increased horsepower to 180.
What kind of engine did the Pontiac Bonneville have?
Standard only for the Pontiac Bonneville was Pontiac’s first-ever fuel injection system. A mechanical system built by Rochester, it was similar in principle, but not identical, to the contemporary Chevrolet “fuelie”.
What kind of engine does a Pontiac V-8 have?
The Pontiac V-8 was the power plant for a whole generation of muscle cars, including the legendary GTO and Firebird Trans Am from the late 60’s to early70’s. The renewed popularity of muscle cars has restored the interest of hobbyist rebuilding and modifying these engines.
In 1954, General Motors leaned heavily on Chevrolet and Pontiac to develop V-8 engines for the 1955 model year and provided them with all available resources to ensure success. Pontiac settled on a 3.75-inch bore and 3.25-inch stroke to produce a 287-ci package.
What kind of engine did the Pontiac Firebird have?
(first posted 1/3/2013 ) As part of my ever-diligent fact-checking, I wanted to confirm that the 1980 Pontiac Firebird really did come with the Buick V6 as the base engine.
When did Pontiac stop making their own engines?
Pontiac continued to manufacture its own engines, distinct from Buick, Cadillac, Chevrolet, or Oldsmobile, until 1981. Pontiac engines were used in its U.S.-market cars; Canadian-built Pontiac automobiles generally used Chevrolet engines.