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What are the specs for a 1989 Chevy 350 engine?

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Quick Answer

The 1989 Chevrolet 350 small-block engine is a V8 that produced a peak power of 240 horsepower and 340 foot-pounds of torque in its most common installation trim in the Chevrolet Corvette. Some versions of this engine produced 245 horsepower when used with a 3.07:1 rear axle ratio.

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Full Answer

The L98 engine produced by Chevrolet in 1989 was the continuation of the small-block Chevrolet V8 first offered on Chevrolet vehicles for the 1955 model year. Originally produced in 1985, the L96 added tuned-port fuel injection and aluminium cylinder heads to the 350-cubic inch V8 family. The engine was designed with two overhead valves per cylinder, with each cylinder having a compression ratio of 9.5:1, a bore of 4 inches and a stroke of 3.48 inches. Peak horsepower was produced at 4,300 rpm, while peak torque was produced at 3,200 rpm.

In addition to serving as the standard engine in 1989 Corvettes, the L98 was also available in the IROC Z28 version of the Chevrolet Camaro. The specifications of the engine are the same as in the Corvette, but the L98 was only paired with an automatic transmission in the 1989 Z28 trim. The L98 was also offered as optional equipment on the Camaro's F-body sibling car, the Pontiac Firebird.

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