Total newb but willing to learn I never expected it to be easy.
99 5.3 LM7
4.8 pistons
truck Norris cam 212/22x .552/552 @ .050 107 LSA
speed Enginering long tube headers
truck intake and stock injectors
no wideband o2 yet
things I've changed idle air +2% ,COT off ,idle increased to 850 ,over speed and under speed X 50%
Trying to get the idle better cant drive it yet still have alot of body work to do but i need to at least be able to move it in and out of the garage.