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I installed a boost gauge and new my car is screeching for a second when you start it. The T fitting is between the manifold and the FPR. Is this normal or does anyone have any knowledge I can use?
Those 2 things have nothing in common. It sounds like the starter is just making noise. There is a how to if you want to grease it down to make it quiter.
Oh, ok. You are probably just noticing the SAI (secondary air injection). Its the pump making that noise and your rpms will be ~1200rpms and then will stop when they drop to 800rpms.