Quote Originally Posted by Big J
You should be able to push 10-12 max, so long as the tune is good and you know what your doing. Running the SAFC with throttle position as an imput instead of using a MAP signal probably lowers the max boost potential. I'd say 300-310whp is about as high as I would be comfortable with, that's probably 10-11.5 PSI.
Dude with just a turbo upgrade only and some tuning...you might make 100-120 base hp over stock... so with the set up your going you should be making around 275whp....but like everyone else said...on stock internals you aare risking it.