Realistically, it should fire up and run pretty well on the stock 5.3 tune file if you used the injectors from the 5.3. Based on the log and trims it...
Interesting. Though I dont doubt you, Ive just never run into that. I will admit though, that I rarely even use the ignition to turn the engine over....
ive recently swaped to a lq4 and need some help with the tune. shes running in the truck but very poor, I used everything from the 5.3 to the ecu and...