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  1. #1

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    Replacement fuel pump ?

    Hey,
    Anybody have any experience with this pump or supplier? http://www.ebay.com/itm/180969438462...84.m1438.l2649

    I'd like to have one on the shelf as a spare, for the day one of mine fails.

    Or, do you have an alternative source?


  2. #2

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    Am I the only one who doesn't want to buy OEM??

  3. #3
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    Or you could buy a walbro from summit, know its legit, return it if it ever fails....


  4. #4
    ImpactSportsTV's Avatar
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    Quote Originally Posted by Mike H View Post
    Or you could buy a walbro from summit, know its legit, return it if it ever fails....
    That's exactly what I did (Walbro from Summit) and I'm convinced by the significantly improved stability in WOT pressures that it is superior to OEM. As for the eBay item, beware of Asian knock-offs that under-perform. This is a case where buying from a reputable source (Summit or Jerry) is worth a few bucks. BTW, I know there is a well-documented rash of fake Sard regulators as well, for example.

  5. #5
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    Re: Replacement fuel pump ?

    Walbro gs342, get the install kit as well, don't forget to use SUBMERSIBLE HIGH PRESSURE FUEL HOSE for the link between the pump and can.

    Sean

  6. #6

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    can u show test data in WOT pressures an stability??

  7. #7
    ImpactSportsTV's Avatar
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    Quote Originally Posted by sirbreaksalot View Post
    the OEM pump used to slump pressure on my modded 250x
    The factory pumpt COULD NOT hold 43 psi , I seen it drop as low as 38psi on extended runs or hard WOT bursts.

    I replaced the cheap intake regulator and it was still the same

    once I fitted the GS342 the pressure would stay rock solid were ever I set my regulator at , even as high as 65 psi

    Waz
    Same for me on my 250x: 43 psi drop to 40 on stock pump, rock-solid at 45 psi with the Walbro and external reg.

    Waz, what's the situation with OEM pumps on the 300x? are they performing better than the stock 250x pumps or do they need to be upgraded?

  8. #8

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    Hey SmokySevin what external pressure regulator are you running? Im running a 255 walbro pump and an external regulator but its almost maxed out at 41psi on my 12f. I would like a better one. Also, do you have supplier for the submersible high pressure hose?

    THanks in advance!

  9. #9
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    I just went to the auto parts store, NAPA, Oreilly or similar. I am actually using a FUELab Regulator because it got good reviews and was cheaper.

    Make sure you get the higher pressure ones not the 4-9psi for carbs

    Sean

  10. #10
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    Quote Originally Posted by ImpactSportsTV View Post
    Quote Originally Posted by sirbreaksalot View Post
    the OEM pump used to slump pressure on my modded 250x
    The factory pumpt COULD NOT hold 43 psi , I seen it drop as low as 38psi on extended runs or hard WOT bursts.

    I replaced the cheap intake regulator and it was still the same

    once I fitted the GS342 the pressure would stay rock solid were ever I set my regulator at , even as high as 65 psi

    Waz
    Same for me on my 250x: 43 psi drop to 40 on stock pump, rock-solid at 45 psi with the Walbro and external reg.

    Waz, what's the situation with OEM pumps on the 300x? are they performing better than the stock 250x pumps or do they need to be upgraded?
    It's the same pump and reg set up
    Last edited by FIRE0021; 03-12-2013 at 12:32 PM.

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