Chevrolet offered several variations of ... 1961’s 409 produced 360 horsepower and rose to 380 hp in 1962. The big block 396. The W engine was replaced with the new Mark IV design in 1965.
This variant of the big-block 396 came with upgraded rectangular ... However, the engine was not officially offered by Chevrolet as an option for the Chevelle. Instead, dealerships were capable ...
The first big block Chevy engine was introduced way back in 1958 ... Camaro and Corvette with displacements ranging from the venerable 396, 409, 427 and 454 to, finally, the 496-cubic-inch Vortec ...