8 Speed trans
04-05-2019, 12:28 PM
#121
Staging Lane
It's for the 8-speeds (and maybe the 10, but I don't know). The 6-speeds are all accessible and ready to tune. There are two options to tune the 2017+ 8-speeds: 1) Send the TCM to HPT and have it unlocked for $200, or 2) Buy a new unlocked TCM mated to your truck for $400 from HPT.
The following users liked this post:
HPTuners (04-05-2019)
Thread
Thread Starter
Forum
Replies
Last Post
fake_usa
GMT 800 & Older GM General Discussion
3
01-25-2009 04:26 PM
Modern_Muscle
GM Drivetrain & Suspension
2
10-05-2008 09:32 PM