I Got A 5.3 And Im Stokeing It Out To A 5.7 Whit Ls1 Heads. What Else Show I Add To It To Get The Most Horse Power Out Of It. What Cam? Do I Need Bigger Injectors? And What Else? Plus Im Thinking Of Spraying It 175 Shot Or 200 Because It Can Hold Up To 250 Shot But I Dont Want To Risk It.

 

What is your compression ratio going to be?? Are you using forged pistons??Are you planning on putting in a stall convertor?? Are you ext cab or reg cab?? Auto or manual tranny?? Do you need to pass smog?? WE Need more info to point you in the right direction..