I have a 2014 sierra 5.3 mods are as listed
Texas speed stage 4 225/231, .635"/.635", 112 LSA
percision converter 3400 triple disk
Long tube headers full exhuast (no cats)
CAI
LT1 Intake manifold with LT1 throttle body
Running on E85
Im having issues with the truck Idling correctly seems like the cam likes to idle @850rpm
I know these gen v have alot to do with torque management to get it idle correctly
tune currently on the truck is not by me what i dont understand is on scanner idle desire is 1,072 but truck is jumping from 700-870 and on idle base point is set to over 1,000 rpm across the board
Gmc stock tune by frank.hpt
Frank tune Idle.hpl