edwin Posted September 6, 2010 Share Posted September 6, 2010 I need help please... I've lowered my fuel pressure down to 5 psi and I'm still running rich. I put in Merkur XR4TI 370cc injectors and using z31 ecu. My body flashes my ecu and he says it's set as low as it can go. What am I missing? Thanks Quote Link to comment Share on other sites More sharing options...
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