What was the compression ratio for a Chevy 396?
What was the compression ratio for a Chevy 396? In 1967, Chevrolet produced two 396 V8s. One generated 350 horsepower with a compression ratio of 10.25:1, and the other was a 375-horsepower engine with an 11:1 compression ratio. In its final year (1969), the 396 received a two-barrel carb and a reduced 9:1 compression ratio, which delivered 265 horsepower. When did the Chevy 396 engine come out? Chevrolet developed its big block 396-cubic-inch V8 engine in response to the big engines powering the Oldsmobile 4-4-2 and Pontiac GTO. Beginning in 1965, the 396 engines powered Chevelles, Corvettes and El Caminos....