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  1. #1
    abie_lah's Avatar
    Join Date
    Jul 2009
    Kuala Terengganu, Malaysia

    rising rate fuel presure in 4 tec engine

    if i set presure without hose vacum at 60 psi what is presure if i put a hose vacum at fuel regulator??,, my vacum engine at idle is 0.25 and what presure in 15psi boost??

  2. #2
    Banned User
    Join Date
    Aug 2009
    Discovery Bay, CA
    so im assuming thats .25 bar? ill tell ya what it should do. static 60psi once you hook the boost line up with the engine running it will pull about 5-7psi of vacuume so at idle with the boost line hooked up fuel psi will be around 55-53psi. WOT with 15psi boost you should be at 75psi

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