Chevy High Performance Engines

American Speed - Custom Chevy Engines & High Performance Engines

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muscle car and engines from Chevrolet at Amerspeed

CHOOSING THE RIGHT CHEVROLET ENGINE

500 HP 383 High Performance Chevy EngineAmerican Speed’s Dyno Tuned Hi-Performance Chevy Engines are custom built with the best possible parts at the best possible price to deliver the most driveable performance possible. Every engine from 275 hp and up is dyno tested, tuned and broken in before shipping. Please click here to select an engine type, based on your performance needs.

Chevy High Performance Engines - Good idle (750-850 rpm) - 3.08 to 3.70 gearing - Will work with stock gearing, transmission, converters - Aftermarket converters (1800-2500 stall speeds) can improve performance. 15-20 inches manifold vacuum.

Chevy High Performance Engines - Racey idle (800-1000 rpm) - 3.42 to 3.90 gearing - Aftermarket converters recommended (2400 to 3000 stall speeds) - 1 3/4" diameter headers recommended for smallblocks; 13-14 inches manifold vacuum.

Chevy High Performance Engines - Rough idle (1000-1250 rpm) - 3.90 to 4.56 gearing - Limited use vehicles - Aftermarket converters needed (3500 stall speed) - 1 3/4" diameter headers necessary. 6-12 inches manifold vacuum.

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 American Speed Enterprises, Inc.  3006 Avenue of the Cities,  Moline, IL 61265  Telephone: 309-764-3601  FAX: 309-764-2786

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