frostedSC300 Posted December 30, 2019 Share Posted December 30, 2019 I have a bone stock 1jz swapped is300, all fuel systems are still stock too. Is it safe for me to run boost just below the boost cut? Im new to the jz scene and im not too familiar with what kind of psi these stock motors are capable of handling Quote Link to comment Share on other sites More sharing options...
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