well i just bought a P1 off a member on silveradoss brand new still in the box. should i junk the fmu and just get a tune and run bigger injectors btw its goin on a stock 4.8 and is a 3600 stall to much i heard with this blower you need at least a 3200 correct me igf im wrong.

 

the P1 is more then enough for the 4.8 You will be able to make 15 psi with it on that motor... Yes the 3200 will be a good choice for the blower.. Ditch the FMU and get the tune and upgrade injectors(42-44's)...

 

ok thanks would the 8.1 marine injectors work and i allready have a ss3600 is that to much converter.

 

The 3600 will be better then the 3200. The blower will not make peak boost till right before the shifts. The higher you spin it the more it will make, so if it is stalling to a higher rpm, it will be making more then if it was at a lower rpm.. The 42's shoud do you fine.. Never too much converter

 

ok sounds great i have a buddy of mine that can get me a set of 8.1 marine injectors pretty cheap. so im good with the 3600 i kinda started to get worried for a second there.

 

did you say you have a ss3600 stall. i dont think the yank ss series stalls were meant to run boost through them. i think you will blow through the converter. call dave at yank and ask him what he recommends