1968 Dodge W100 Pickup Engine: 6.3L V8; Standard Rotation|Standard Duty Thermal Fan Clutch;. 1969 Dodge W100 Pickup Engine: 6.3L V8; Standard Rotation|Standard Duty Thermal Fan Clutch;. 1971 Dodge W100 Pickup Engine: 6.3L V8; Standard Rotation|Standard Duty Thermal Fan Clutch;.