hey jessica you can boost around 10 psi safely ,but you might want to look into bigger injecters etc i have a 92 hatch with a h22 and a t72 turbo and i boost way more than 7.8,but that is because you have a smaller turbo at all depends on how and who tunes the car, the best thing i can say is do a little reseach there guys on here that know there shit just ask vito os crix these are thier screen names
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