Hello all. My brother and I have been using his EFI live to do some tuning to my 07 silverado 5.3. I am hoping to get my mpg up as much as possible without giving up any power. It runs pretty decent right now but I keep getting right at 16-17 mpg. Im sure this thing could get better mileage if we could get a little direction from someone with some experience. The truck is stock except for exhaust and the tune on 87 octane. Would run 92 octane if it would benefit me. Also if anyone can bring power and mpg up you will be a tuning god in my mind!
Thanks for your help!