1994 Chevrolet C2500 Engine: 5.7L V8; w/3.42 Axle Ratio; w/3.73 Axle Ratio; w/3.08 Axle Ratio; w/4.10 Axle Ratio; w/4.56 Axle Ratio; Position: Outlet (Upper);. 1995 Chevrolet C2500 Engine: 5.7L V8; w/3.42 Axle Ratio; w/3.73 Axle Ratio; w/3.08 Axle Ratio; w/4.10 Axle Ratio; w/4.56 Axle Ratio; Position: Outlet (Upper);.