70-80 Heavy Duty 11 Bel Air 52 Biscayne 47 C10 Pickup 32 C10 Suburban 27 C20 Pickup 32 C20 Suburban 27 C30 Pickup 32 C40 Medium Duty 13 C50 Medium Duty 13 C60 Medium Duty 13 Camaro 78 Caprice 50 Chevelle 72 Chevy II 56 Corvair 27 Corvette 64 El Camino 55 G10 Van 20 G20 Van 20 H70 Heavy Duty 9 HM80 Heavy Duty 9 Impala 55 J70 Heavy Duty 9 JM80 Heavy Duty 9 K10 Pickup 29 K10 Suburban 27 K20 Pickup 31 K20 Suburban 24 K30 Pickup 28 M50 Medium Duty 12 M60 Medium Duty 12 Nova 25 P10 Van 15 P20 Van 19 P30 Van 19 S40-60 Series School Bus 13 T40 Medium Duty 12 T50 Medium Duty 12 T70 Heavy Duty 9 TD60 Heavy Duty 12 Titan 90 7 TM80 Heavy Duty 9 WM80 Heavy Duty 9