ok wel to answer the first question about the spitting i think before so it may be the turbo but i'm not smoking at all just when it is sitiing still and i get it to ilde right it spits from the drive side plus to think of it for a lil until it warms up it flexs in rpms just under 2300 so i know for sure it needs to be tuned cause my brother built it to handle 15 psi but right now i'm only boosting 7-8 ish so