Help figuring out which 5.3 I have
#2
#6
TECH Fanatic
Its a Gen III 24x motor. Crank trigger will be colored black. The Gen IV 58x one's are grey. Also if it was 58x it would have the side mounted knock sensors as well as the front cam sensor.
Does it have returnless fuel rail? If so it probable on 04 up motor aas some 04 were RL rails by 05 most all the trucks had RL rails. Also look at the injectors and see if it has the flex fuel units to see if its a flex motor.
Does it have returnless fuel rail? If so it probable on 04 up motor aas some 04 were RL rails by 05 most all the trucks had RL rails. Also look at the injectors and see if it has the flex fuel units to see if its a flex motor.