5.3L - 8-cyl ( Description: 8-cyl Engine Code [0] LMG Flex-fuel; Engine Code: [0]; )
5.3L - 8-cyl ( Description: 8-cyl Engine Code [3] LC9 Flex-fuel; Engine Code: [3]; )
6.0L - 8-cyl ( Description: 8-cyl Engine Code [J] LZ1Variable Fuel; Engine Code: [J]; )
6.2L - 8-cyl ( Description: 8-cyl Engine Code [F] L94 Flex-fuel; Engine Code: [F]; )