GMC 1978 Manual Gasoline mileage: 67 KM Hello, I am offering a GMC converter Model 1978 The vehicle is in its original condition and has some minor modifications. It has a base of 350 with a blue 454 engine. The vehicle has a complete body and does not have any issues. Gear ratio 14/45 It needs a compressor. The vehicle does not overheat and does not emit smoke, whether driving short or long distances. New inspection and new registration. For the best offer. Please place your bids using the phone number provided.