Quote Originally Posted by DieselNuts
wow, I/H/E + tune only gained you ~30hp? That doesnt seem right. I mean, you have the proof, I'm just sayin, that seems low to me.
Intake, headers, and an exhaust gave me 31whp and 40wtq(which is average from what I have seen). From that 31whp and 40wtq, I picked up 5mph in the 1/4 mile in a 660' worse DA day than my stock times. I would expect my car to put down some 11.80's @ 122ish on a slightly negative DA day.