The 1988 GMC Sierra C/K 3500 base trim comes with a regular cab. It has a 5.7-liter V8 engine. This engine produces 185 horsepower and 285 ft.-lbs. of torque. The bore is 4.0 inches, and the stroke is 3.48 inches. It has a compression ratio of 8.6:1. The C/K 3500 has a whe...