40-60 Medium Duty 12 70-90 Series Heavy Duty 13 Bel Air 52 Biscayne 45 Blazer 33 Brookwood 38 C10 Pickup 43 C10 Suburban 33 C20 Pickup 43 C20 Suburban 33 C30 Pickup 42 Camaro 72 Caprice 49 Chevelle 71 Corvette 67 El Camino 61 G10 Van 22 G20 Van 23 G30 Van 23 Impala 53 K10 Pickup 38 K10 Suburban 33 K20 Pickup 38 K20 Suburban 30 K30 Pickup 32 Kingswood 40 Luv Pickup 17 Monte Carlo 48 Nova 56 P10 Van 17 P20 Van 22 P30 Van 24 Titan 90 11 Townsman 39 Vega 21