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should I upgrade my fuel pump

Discussion in 'Leon Mk1 (2000-2006)' started by rmurphy16, Sep 10, 2014.

  1. rmurphy16

    rmurphy16 Active Member

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    Hi, I have a lc180 and want to put a 4 bar fpr and i and wondering if i should upgrade my fuel pump also, if so should I go for a large pump or something more up market
     
  2. vroomtshh

    vroomtshh Full Member

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    Why do you want to fit a 4bar fpr?
     
  3. rmurphy16

    rmurphy16 Active Member

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    More power is the only answer I can think of going for as much power as I can get
     
  4. Clarkeez

    Clarkeez Active Member

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    What existing modifications do you have?

    A 4 bar FPR accompanies some mods & remap.
     
  5. nd-photo.nl

    nd-photo.nl Active Member

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    Only use 4 BAR FPR if the mapping is adjusted...You can also use the S3 pump (some modification is needed), which should be rated 4 BAR as replacement for the stock LC180 pump (which should be 3 BAR)
     
  6. rmurphy16

    rmurphy16 Active Member

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    Yes will be getting it mapped I do also have other mods on it was just seeing if I should upgrade the fuel pump also and if so was making sure the lcr would be suitable
     
  7. nd-photo.nl

    nd-photo.nl Active Member

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    I fitted an extra inline pomp (QSP 909) with a 4 BAR FPR when it got mapped, other options are Walbro or Bosch.

    Its important that your car can deliver the fuel that is needed to run stage 2 power.
     
  8. Dione J

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    If you dont upgrade the LC180 pump will it make the 4 BAR FPR useless or not?
     
  9. nd-photo.nl

    nd-photo.nl Active Member

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    I think you will put more strain on the pump as it can't deliver the 4 BAR.
     
  10. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    tired pumps will suffer from higher fpr's

    if you can avoid it and get appropriate sized injectors, then that helps the pump
     
  11. Robaidh

    Robaidh Active Member

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    u got a lc or lcr buddy?
     
  12. nd-photo.nl

    nd-photo.nl Active Member

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  13. Robaidh

    Robaidh Active Member

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    Ahh right ok cool u might have a answer for me then lol. What fuel pump should I upgrade to on my 03 LCR?
     
  14. nd-photo.nl

    nd-photo.nl Active Member

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    S3 pump or has LCR already have 4 BAR pump (not sure)?
     
  15. ibizacupra

    ibizacupra Jack-RIP my little Friend
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    aftermarket in tank pumps we use sytec
     
  16. Sprogpole

    Sprogpole Active Member

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    AUQ and AMK pump is the same part number 8L0919051H.
    So it’s not worth changing you old pump for a used one from an AMK. I can’t see a part number for the BAM engine, but I suspect it will also be the same pump.
    The Audi’s also have the same pump, but with a different pick up system for the tank.

    Aftermarket as per Bill is the way to go if yours is getting tired.
     

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