hello everyone I currently have hp tuners, I am no expert at tuning still learning
having problems on my 2011 Silverado 5.3 6l80 im running on 93octane fuel
I have cai and longtubes but my transmission settings not good lol my tow/haul
wont even kick in gear shifting is weird I have some aggressive modifications on tranny
anybody can take a look or tell me what im doing wrong I would really appreciate it.