psi

Hello, I have a 7mgte 1987 Toyota supra (stock engine internal components) pushing 12 psi with stock everything. This is my daily driver, and the only information I have on the car is a pile of reciepts, basically stating the goods which are a performance shortblock, and overhauled CT-26 (stock...

Hey everyone! Well im new to the supra scene and forums my names Geo.! had a couple of s13s before but just recently picked up an 87' mk3 turbo and have a newb question id like to ask before the fun begins :) How much can i boost this baby to safely? car has slight modifications: Metal head...