40-60 Medium Duty 13 70-90 Series Heavy Duty 14 Bison 11 C10 29 C10 Suburban 27 C20 30 C20 Suburban 27 C30 30 Camaro 45 Caprice 32 Chevelle 10 Chevette 18 Corvette 45 El Camino 35 G10 23 G20 23 G30 23 Impala 34 K10 25 K10 Suburban 24 K20 29 K20 Suburban 23 K30 29 K5 Blazer 26 LUV 11 Malibu 30 Monte Carlo 27 Monza 22 Nova 36 P10 19 P20 20 P30 24 Titan 90 12 Vega 18