6.0L - 8-cyl ( Description: CLASSIC 6.0L 8-cyl Engine Code [U]; Fuel: Gasoline; Engine Code: [U]; )
6.6L - 8-cyl ( Description: CLASSIC 6.6L 8-cyl Engine Code [D]; Fuel: Diesel; Engine Code: [D]; )
8.1L - 8-cyl ( Description: CLASSIC 8.1L 8-cyl Engine Code [G]; Fuel: Gasoline; Engine Code: [G]; )