40-60 Medium Duty 12 70-90 Series Heavy Duty 13 Bel Air 53 Biscayne 46 Blazer 31 Brookwood 39 C10 Pickup 40 C10 Suburban 31 C20 Pickup 40 C20 Suburban 31 C30 Pickup 39 Camaro 71 Caprice 50 Chevelle 70 Corvette 65 El Camino 59 G10 Van 21 G20 Van 21 G30 Van 21 Impala 54 K10 Pickup 35 K10 Suburban 31 K20 Pickup 35 K20 Suburban 28 K30 Pickup 30 Kingswood 41 Luv Pickup 16 Monte Carlo 47 Nova 55 P10 Van 16 P20 Van 21 P30 Van 23 Titan 90 11 Townsman 40 Vega 20