Chevy 350 Bore Stroke Specifications
- Chevy's 350-cc small block has been featured in Chevy's Camaros.abstract chevrolet camaro concept car image by Michael Shake from Fotolia.com
Chevy debuted its first small-block engines in 1955 with a 265-cc version. It was a hit with consumers and enthusiasts alike, and Chevy continues to manufacture small-block engines today. It was in the late 1960s that the company first introduced a 350-cc V8 engine, which has since been used successfully in everything from Camaros to passenger cars. Within the world of Chevy small-block motors, it has a mid-range bore and spoke. - Chevy's 350-cc V8 featured a standard bore and stroke of 4.00 inches by 3.48 inches, though performance specs varied with different vehicles and engineering. By contrast, 250-cc small-block engines had a bore and stroke of 3.88 inches by 3.53 inches, while Chevy's 454-cc small blocks featured a bore and stroke of 4.25 by 4.00 inches.
- Though all 350-cc engines had the same bore and stroke, performance specifications varied according to the precise engineering. The standard 350 V8 could achieve 175 horsepower and a net torque of 275 foot-pounds. When paired with a throttle-body fuel injection, performance specs jumped to a net 210 horsepower and torque of 300 foot-pounds.
- In contrast, 250-cc small-block engines could perform at a horsepower between 105 and 130 and a net torque between 185 to 210 foot-pounds. The more powerful 454-cc V8s had a net horsepower of 230 and could operate between 360 and 385 foot-pounds of torque.