50-60 Medium Trucks 25 80 Series Heavy Truck 25 Bel Air 57 Biscayne 49 C10 Panel 30 C10 Pickup 35 C20 Pickup 37 C30 Panel 30 C30 Pickup 36 Chevelle 71 Chevy II 56 Corvair 46 Corvan 32 Corvette 63 El Camino 61 G10 Van 22 Impala 64 K10 Pickup 35 K20 Pickup 37 Malibu 55 Nova 55 P10 Series 24 P20 Series 26 P30 Series 26 Suburban 35