Chevrolet R3500 Pickup Select the Engine of the Vehicle: 1991   8 Cylinders, 5.7L liter   8 Cylinders, 7.4L liter 1990   8 Cylinders, 5.7L liter   8 Cylinders, 7.4L liter 1989   8 Cylinders, 5.7L liter   8 Cylinders, 7.4L liter < < BACK