Quote Originally Posted by TIGERJC
i daily at 10 psi and the max 14.5 psi which is safe on these motors. If you want to go past 15 psi it would be best to upgrade the fuel system- like supra fuel pump, 550 injectors, and a fuel reg., o also something to control the fuel like safc, rom tune, piggy back, or standalone

whenever its really cold outside my car spikes to 17-18.....feels reall strong then, the turbo can handle it....but your intercooler will heatsoak faster....

what color are you painting your car??