1987 Chevrolet R10 Engine: 4.3L V6; w/A. C.; Position: Power Steering;. 1987 Chevrolet R10 Engine: 5.7L V8; with 41in Long Belt; with Air Conditioning; Position: Power Steering;. 1987 Chevrolet R10 Engine: 5L V8; with 41in Long Belt; with Air Conditioning; Position: Power Steering;.