8.1/Allison swap 1999 Tahoe

[DirtyLarry]

Originally Posted by BR3W CITY

Yall want me to be wrong no matter what;

I say they do need a TCM....told I'm wrong 3 times, so I have to go and check.
Here's the screen from

And now that I do, you tell us they do for sure require it...so someone come up with a damn answer and stop making me feel like I need to question everything I see 5 freaking times.

You were right the first time(s) when you said the Ally DID require a TCM.