thumpdaddy
December 7th, 2016, 11:15 AM
swapping from 4l60e to 4l80e and need the os.dont really want to do the relay mode to run 4l60e tune.what are my options if I cant find a matching OS?done checked dropbox no luck.THANKS
View Full Version : need a 4l80e os12606807 for tranny swap