1981 CHEVY TRUCK & PICKUP REPAIR SHOP & SERVICE MANUAL INCLUDES: 4x2, 4x4, &frac12; ton, &frac34; ton, 1 ton Trucks Blazer, Suburban, Motorhome Chassis, K5, K10, K20, K30, C10, C20, C30, G10, G20, G30, P10, P20 and P30