1994 Chevrolet K1500 Engine: 6.5L V8; Reverse Rotation|Severe Duty Thermal Fan Clutch;. 1995 Chevrolet K1500 Engine: 6.5L V8; Reverse Rotation|Severe Duty Thermal Fan Clutch;. 1996 Chevrolet K1500 Engine: 6.5L V8; Reverse Rotation|Severe Duty Thermal Fan Clutch;.