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fuel pressure

  1. Fuel pressure on RB25DET

    General
    So I installed a greddy manifold and fuel rail on my RB25DET Neo and I’m having trouble setting the correct fuel pressure (43psi without vacuum). Every time I try set it the needle on the gauge flutters like mad. I can set the fuel pressure just below 40psi and the needle stays still. As soon as...
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