In the case of the 383-cubic inch stroker, engine builders would modify crankshafts designed for the 400-cubic inch small block Chevrolet V8 and place them into modified 350-cubic inch Chevy blocks.

MotorTrend's Hot Rod Magazine compared the engines in two Chevelle's in 2023, finding that the 383 Stroker produced 434.6 lb-ft of torque at 4,750 rpm and 449.9 horsepower at 5,750 rpm.

Westech Performance dyno tests a 383-inch stroker budget small-block pump-gas engine topped with three two-barrel Rochester carbs on a custom tunnel ram and makes over 400 hp! Related Videos 4:06 ...