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I put an hx35 on it and I want to run off the wastegate at 11.7psi, I'm wondering if I can't just adjust the fuel pressure to get the right A/F and still run with the stock ecu. 92 octane

Hey guys, I been doing a lot of research on fuel controlers, piggy-backs, and even piggy-bags. The more I read the more I realize how clueless I am in tuning world. So any ways I'm wondering how my 1j is going to run with these Mods?? Single turbo tial v44 with a .8bar/11.7psi spring 3"...