Factory heads that were cleaned up and a valve job done when the motor was apart for the cam. Yes it has efi tuned by me. I use a dsp2 switch so i can have a tune for cruising around the pits and a pulling tune that hits hard.
__________________
03 gmc dmax tow rig
02 gmc dmax 2.6 puller sold
03 gmc dmax W/S puller under construction.
|