Hi guys , i have 2002 gmc sierra 2wd and i did 6.0 with 4l80e swap
it have the 5.3 with 4l60e tune , No 1ts gear or 4th, i tried to do segment swap but i think i did something wrong
so can someone help me segment swap my tune ?
Note : wiring for the trans is done
02 gmc sierra 5.3 4l60e.hpt