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Will a high flow fuel & fuel rail make a difference in a tune?

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    #1

    Will a high flow fuel & fuel rail make a difference in a tune?

    I was looking to buy a walbro 255lph fuel pump w/ a aem fuel rail before I get my car tuned, but was wondering how much of a difference they'll make? I'm on the verge of just buying the s300 & getting my car tuned but don't know if the fuell pump & fuel rail will help out any since I won't be getting another tune for a year or so. Any suggestions would be appreciated and here's a list of my current set up:

    H22a1
    Clutchmaster Lightened Flywheel & Stage 2 Clutch
    MFactory 4.64 Final Drive
    Skunk2 68mm TB & Pro Series IM
    AEM CAI
    Hytech Replica Header
    NGK wires & plugs
    ST sway bars
    Tein springs
    Skunk2 sport shocks
    Megan Racing strut bars, control arms, & lower tie bar
    2.5' exhaust
    Tags: None
    #2
    You will not need a high flow fuel rail. However, a 255lph fuel pump and an adjustable fuel pressure regulator can be a bonus when tuning. I would imagine that your not going to need much more than stock on this setup. Also if you use the 255 pump & adj. FPR it will help if you hit the limits of the stock injectors.

    Is this a stock internal H22?
    What injectors are you using?
    MR Thread
    GhostAccord 2.4L Blog

    by Chappy, on Flickr

    Comment

      #3
      The internals & injectors are all stock yes. So just getting the fuel pump, a FPR, and the s300 will be good for my first tune? I'm planning on replacing all the internals & sleeving the block in a year, so nothing will really get replaced for a while.

      Comment

        #4
        Yeah I would say that should do it. Check with your tuner to make sure that you don't need anyhting else. For your current build that should be enough. Spend the money on injectors when you do your internal work. Even after your build a high flow fuel rail won't be required. They are mostly for if you want to run A/N fuel lines & fittings. Other that that most people just buy them for looks/bling factor.
        MR Thread
        GhostAccord 2.4L Blog

        by Chappy, on Flickr

        Comment

          #5
          Just remember, more fuel does not equal more power. You only need enough to properly fuel your engine for the power that it makes.






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            #6
            they can make fuel filler changes 100x easier.

            Comment

              #7
              Cool thanks GhostAccord for the advice and deevergote for the feedback. I'm going N/A on this build so even when I do decide to upgrade my internals, along with the injectors, a high flow fuel rail isnt really necessary

              Comment

                #8
                Yeah, you should be fine with the stock fuel rail, as well as your stock ignition system.
                The fuel pump and injectors will be candidates for upgrade after a while, but not right away.






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