hey guys, i'm new to the site but from what i have read u guys know what ur talking about. i have had my na for 10yrs now, it was actually my first car. i have done a lot to it and spent a lot on it. i picked up a 91 tt written off, and just finished pulling the motor out. i want to build this motor up to around 500hp befor i drop it in. anyone have any recomendations