1968 Chevrolet G10 Van Engine: 5.0L V8; Standard Rotation; Optional Duty Thermal Fan Clutch;. 1969 Chevrolet G10 Van Engine: 5.0L V8; Standard Rotation; Optional Duty Thermal Fan Clutch;. 1970 Chevrolet G10 Van Engine: 5.0L V8; Standard Rotation; Optional Duty Thermal Fan Clutch;.
