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Thread: GM fuel pumps are crap, suggestions

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  1. #1

    fuel pumps suggestions

    bro has a 96 gmc with a 03 5.3.



    whats a good quality fuel pump that will drop right in and give him thousands of trouble free miles, something quiet too?


    pump only needs to support near stock hp, I doubt this engine will ever be modified, despite my best efforts.
    Last edited by LSXmyford; 09-20-2008 at 05:47 AM.

  2. #2
    Join Date
    May 2008
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    walboro 255 texas speed sells them

    Junkyard 5.3 milled heads 200 shot, built 4l80e with circle D 4000 multi disc converter
    EPS cam 23x/23x 600/603 112lsa
    KP 6 link bagged with Accuair E-Level
    http://www.nitrousexpress.com/

  3. #3
    Join Date
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    X2 on the Walbro. Thats all I've run in my conversions and have never had a pump failure, other than not enough fuel to feed a 408+nitrous supplement at the same time.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #4
    whats the deal with the no warranty?

  5. #5
    Join Date
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    Buy an AC Delco and you only get a warranty if its installed in a vehicle listed as an OEM install. Most HP parts have no warranty other than warranty from defects in materials and workmanship.
    Last edited by RedHeartbeat; 09-20-2008 at 02:25 PM.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #6
    Its a fuel pump, either is on or its not.


    I think hes gonna get a walbro from summit, they are usually pretty good about things so if something should go wrong, there is some hope. Seems other sellers were animate about NO WARRANTY, which could easily translate to tough chit.
    Last edited by LSXmyford; 09-20-2008 at 01:17 PM.

  7. #7
    Join Date
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    3,429
    Quote Originally Posted by LSXmyford View Post
    Its a fuel pump, either is on or its not.


    I think hes gonna get a walbro from summit, they are usually pretty good about things so if something should go wrong, there is some hope. Seems other sellers were animate about NO WARRANTY, which could easily translate to tough chit.
    Nelson Performance warrantied my defective walbro 255.
    30' Ford Model A Tudor Sedan - Custom chassis - Big bore LS2 - twin B76's - Glide - 9" w/ 3.07 gears - 30" DR tire - 2k lbs cruiser

  8. #8
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    Except if a dealer were to make a warranty claim and the part number doesn't match the VIN, the claim gets rejected. The ACD and OEM pumps are kinda crappy but not nearly as bad as the cheapo parts store replacements.

  9. #9
    Join Date
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    997
    Walbro 255lph... FTW!!!

    Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph

  10. #10
    Join Date
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    You know, rather than a switching device you can put a Y connecter and two check valves between the Y and the pumps to stop backflow rather than using the factory switch valve. Then you can use a dual position switch to go from left tank to right. You could also turn both pumps on during WOT racing so that you never run out of fuel.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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