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A Chevy vehicle with a 4.8-liter engine has certain torque specifications that give power to the vehicle in terms of acceleration and towing capabilities. In addition, the torque specifications of a 4.8L Chevy engine are useful when performing do-it-yourself maintenance. For instance, torque specifications are necessary when performing cylinder head installations.
Chevy 4.8-Liter Engine Specifications
As an example, the 2000 Chevrolet Tahoe came equipped with a 4.8L engine, boasting a horsepower of 275 at 5,200 rpm. Along with a four-speed automatic overdrive transmission, this engine had a torque of 290 at 4,000 rpm. The bore X stroke was 3.78 X 2.37 with a displacement of 4,807cc.
Towing Capabilities
With four-wheel drive, the 2000 Chevrolet Tahoe had a cargo volume of 63.60 cubic feet, with a standard towing capacity of 6,800 pounds. Maximum towing for this vehicle was 8,800 pounds. In addition, the standard payload was 1,751 pounds.
Torque Specifications
When working with the cylinder heads of your 4.8L Chevy engine, the cylinder head bolts and gaskets are at the forefront. The bolts range in size from 3.94 inches to 6.1 inches. If replacing the cylinder head bolts, tighten the new bolts with 30 N-m, or 22 lb-ft of torque. Begin with the center bolt, then continue on from the outside inwards.
