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Noise after fuel rail swap

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    #1

    Noise after fuel rail swap

    Hey guys, I just swapped the stock escort fuel rail out for one of the big rails from white95scorts group buy. The rail went in perfectly and everything lined up and all, but now there is a clicking noise that I *think* is coming from the fpr. Has anyone else had this when they swapped to a larger fuel rail? The car runs fine and all, it's just that I've never heard that noise before.

    Thanks.
    Tyler has spoken
    Tags: None
    #2
    the clicking noise is you injectors working. nothing abnornal
    91 protege gt. dropzone mx3 springs, mx3 crossmember, ractive front and rear strut braces, rear lower mx3 brace, 4 wheel disc brakes, corksport ss brake and clutch lines,kvr front pads, ractive cai,ram air hood scoop, modified front bumper, shaved ant and rear trunk lock, fubu ant, short shifter, corksport bronzeoil shifter bushings,92 glass sunroof and tail lights, mx3 center console, autometer gauges (volt and oil pressure) cluster needles painted to match, sound system, 17 inch eagle alloy 193 with 205 40 17 rubber. klze is ALIVE BABY!! . http://www.cardomain.com/ride/2394656http://www.toprotege.com/forums/show...hlight=project[url]

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      #3
      How new is the fpr and is it the n/a, gtx, or gtr one? I am not familiar with the bp, but hopefully knowing which one it is will help someone else answer you question better.
      SPI swapped

      http://www.cardomain.com/id/WhiteLightning96

      Comment

        #4
        progt91 - Thanks. I suppose it wasn't specifically the fpr then. What would cause the noise to be so much louder than when I had the stock GT rail on the car though? It's not a soft , normal type cliking noise. It is pretty loud now.

        white-lightning - The fpr is the n/a escort GT one, and as far as I know, it is the same fpr that the car came with from the factory. The injecors are rx-7 460cc's(if that helps anyone)

        Thanks.
        Tyler has spoken

        Comment

          #5
          larger rail, more surface area, more area for sound to be transmitted through.

          If it's being transmitted through the rail, that indicates to me that you don't have the proper o-ring setup on your injectors, because those should insulate the sound.

          Also, make sure you've got enough fuel for those 460's. If you're running stock FPR, you might not be getting enough fuel to the injectors, so they could be running 'dry' and making noise. Not a good thing.

          --sarge

          Comment

            #6
            Originally posted by SgtRauksauff View Post
            larger rail, more surface area, more area for sound to be transmitted through.

            If it's being transmitted through the rail, that indicates to me that you don't have the proper o-ring setup on your injectors, because those should insulate the sound.

            Also, make sure you've got enough fuel for those 460's. If you're running stock FPR, you might not be getting enough fuel to the injectors, so they could be running 'dry' and making noise. Not a good thing.

            --sarge

            I'll get new o-rings tonight and see if that makes a difference. They should be getting enough fuel. I had the exact same injectors with the stock GT rail and n/a fpr. Only new thing in this setup is the rail itself, which certainly seems like it will allow any amount of fuel necessary flow to the injectors.

            When you're putting injectors into the rail, should the injectors "seat" all the way against that little rubber spacer at the top of the injector? I had two injectors that stopped JUST short of touching the rubber spacers. There are no fuel leaks or anything though.

            Thanks.
            Tyler has spoken

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