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fuel pressure relief

  1. Fuel pressure reg. Ideal pressure for a stock truck

    99-03 7.3L Performance Parts
    I just bought a dieseloring.com fpr housing ( Fuel Pressure Relief housing - Billet Aluminum w/pressure shim springs ) and was wondering what is the ideal pressure for a stock truck? all i really have done is a custom tune and an 6637 intake for now but read about ppl suggestion diffrent...
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