OK well I'm looking for what charts or tables to Change and like how much should I change them
Thanks

are the stock files how the trucks come stock or preformance tunes for stock trucks?
thanks aj

hey guys my brother and I just bought efi live flashscan tool. I looking for specs on tuning my 01 chevy silverado 5.3 only has a cold intake and a super 10 exhaust just looking to add some more...

owner of a 01 chevy silverado 5.3 on ltz 20's more mods coming.