1990 Chevy 5.7 Specifications

by Martin Woodfield

Developed and engineered by General Motors, the 5.7-liter engine has been utilized in various GMC and Chevrolet models. Of the 1990 line of Chevy vehicles, only the G30 Van, Suburban and Corvette were outfitted with 5.7-liter engines. Engine specifications vary across the three models.

G30

The G30 van was built with two 5.7-liter engine options. One delivered 190 horsepower at 4,000 rotations per minute (rpm) and torque of 300 foot-pounds at 2,400 rpm, bore of 4 inches, stroke of 3.48 inches and an 8.6:1 compression ratio. The second option had the same specifications for displacement, bore and stroke, but was capable of 290 foot-pounds of torque at 2,400 rpm and 195 horsepower at 4,000 rpm. It had a 9.3:1 compression ratio.

Suburban

Two versions of the 5.7-liter engine were available in 1990 model Suburbans. The first had bore of 4 inches, stroke of 3.48 inches and an 8.6:1 compression ratio, and was capable of 190 horsepower at 4,000 rpm and 300 foot-pounds of torque at 2,400 rpm. The other 5.7-liter engine shared the displacement, bore and stroke measures, but achieved a 9.3:1 compression ratio and delivered 210 horsepower at 4,000 rpm and 300 foot-pounds of torque at 2,800 rpm.

Corvette

A single 5.7-liter engine option was available for the 1990 Corvette across all trim levels. This engine was capable of up to 380 horsepower at 6,200 rpm, torque of 370 foot-pounds at 4,500 rpm and had a bore of 4 inches, stroke of 3.48 inches and a 9.3:1 compression ratio.

About the Author

Working out of the Pacific Northwest, Martin Woodfield has been writing professionally since 2000. Woodfield regularly covers health, politics and social issues. His work has appeared in "Mad Magazine" and "McSweeneys." He is a featured contributor for StudiousBison. Woodfield has a Bachelor of Arts in film studies from the University of California, Santa Barbara.