Quote Originally Posted by Hog View Post
I doubt GM lowered the TC stall on purpose, the issue is its a GEN 4 4.8 engine that makes very little off idle torque. If you hada 5.3 the same 4.8 TC would stall a bit higher due to the increased torque of the 5.3.

peace
Hog
Very possible. I have a 2012 with the 5.3L and it's not much off idle either. Still not sure if it can be tuned out or if it simply doesnt have the low end torque as you mentioned.

Thanks!