well I'm stumped, bought a 05 Colorado with a 5.3 and 4l60e out of a 2004 Silverado, it running and e40 computer out of a TBSS with tables changed to a 5.3 trailblazer, tcm is a t42 don't have a clue what its out of, os is 24235341, custom harness and tbss intake and throttle body.
heres the issue, it runs perfect except for 2-3 wot shift. it will not follow commanded shift mph, only shifts at redline (6300) it shifts at 6210 at 78mph but is supposed to shift at 71. and when it shifts it backfires.
heres my tune and my log any help would be appreciated, thanks
Reply With Quote