Author Description

This fact-filled reference for improving the power and performance of GM trucks offers coverage of all two- and four-wheel drive pickups, Blazers, Jimmys, and Suburbans built from 1967 to present. Dividing the truck by it's major systems, author Jim Allen dispenses advice on the best aftermarket parts and modifications for both six- and eight-cylinder models, from induction systems and cylinder heads to cams and exhaust systems. Also included in the completely illustrated guide are options for improving the performance of ignitions, transmissions and drivelines, suspension, tires, wheels, and brakes. Parts and applications for minor bodywork modifications, off-road driving, street performance, and towing are also discussed.