Should i change the FPR?

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  • jonnaz
    S2Forum Enthusiast
    • Aug 2009
    • 158
    • Country: United Kingdom

    #1

    Should i change the FPR?

    3b engine with std fpr at the moment 3bar i have rebuilt the engine and have fitted 525cc injectors @3bar the car will be running about 1.9 or 2bar boost after remap. WILL I NEED TO CHANGE TO A 4BAR OR ADUSTIBAL FPR?
  • A80Avant
    S2Forum Obsessed
    • Sep 2005
    • 10873
    • Country: Greece

    #2
    im not so sure if the standard fpr on the 3b is 3bar. i think it is 4bar.

    by the way, where in Newcastle are you located?

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    • sam80quattro
      S2Forum Extremist
      • Oct 2006
      • 1496
      • Country: United Kingdom

      #3
      im in newcastle 2 and have a spare 4 bar fpr, £20 and its yours and i can even deliver it aslong as its newcastle upon tyne lol

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      • Rocco
        S2Forum Zealot
        • Aug 2007
        • 6393
        • Country: Spain

        #4
        the 3B oem FPR gives (not sure) 3,2bar or something similar,of course only whem we push hard the thortle ,if not... it is only working with 2´5bar....just the same as the 7A Fpr ,because i had test bothBut the 7A one gives 4 or 4´2bar with full thortle
        RED Mitsubishi Lancer Evolution VI TME nº 16 of 250
        BLACK Mitsubishi Lancer Evolution VI TME nº 189 of 250
        LWB Audi Sport Quattro project

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        • jonnaz
          S2Forum Enthusiast
          • Aug 2009
          • 158
          • Country: United Kingdom

          #5
          fpr

          Originally posted by sam80quattro
          im in newcastle 2 and have a spare 4 bar fpr, £20 and its yours and i can even deliver it aslong as its newcastle upon tyne lol
          well not in newcastle more towards consett. hopefully i will get the car running this weekend and use a widband thingy to see how rich its running with bigger injectors in might need to use an adjustibal fpr. the 3b fpr is defo 3bar its stamped on the side i will pm you if i need the 4bar fpr. it all depends how much boost we decide to run its mapped at 1.4 bar as always tho (more power lol) all forged internals now so

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