hypertech max energy

[smpas83]

hey guys i just bought a hypertech max energy and programmed my 5.3L and i do not feel any difference on it does anyone have a stock tahoe with a programmer that can tell me what settings to put on it thanks

 

[road1will]

Are you running the regular or premium fuel tune?

 

[smpas83]

did both but no difference thats why im thinking im doing something wrong