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  1. #1
    jetskibum1's Avatar
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    GPRXP Intank Module.

    At Rad 4 Racing, we decided to have a crack at a fuel pump module for our GPRXP conversion. What do you think. Its is away for anodizing now but the reg fits straight to the lid as does all fittings for the air vent etc.
    Does anyone have any better ideas with pics and reasons?? We also have a smaller unit with the Walbro 3441 pump in it but that was not going to feed our turbo application.
    We listen to all your comments prior to releasing new products.
    I will put up picks of it complete once its ready for our tank.
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  2. #2
    cheatin' piston popper addicted's Avatar
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    That looks cool. however, based on experience, you need to have the bottom of the sender locked into the "cup" in the bottom of the tank. Otherwise, in rough water, the unit will swing out from under itself. Yours loosk much beefier than the stock unit, but you are also putting all the stress on the top of the tank, and that may eventually lead to a failure.

  3. #3
    jetskibum1's Avatar
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    Tank Strength

    We have 18 inches of purchase around the top of the tank so I think this will give enough strength. I considered outriggers on the internal bolt ring to push load out to the tank edges but we gave it a big wiggle and it seams rock steady. I will take your thoughts on board and keep an eye on it though as they are very valid.
    Cheers for your time.

  4. #4
    Hydrotoys's Avatar
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    it looks nice.

    Just a question....

    if the stock fuel pump are feeding the turbo setups now, why all the work to redo something that is working.

  5. #5
    jetskibum1's Avatar
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    Big numbers

    I am building this ski soley to do big numbers both HP, RPM, and boost for a race which is over 8 minutes each way at WOT so for the bucks it is just insurance. This pump feeds enough flow for a constant 700 hp so will be suitable overkill. I have a module made up the same for the stock pump new if any one wants it.

  6. #6

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    I think its looks good, and a good solution of keeping the gpr tank, and of course to be able do put in what ever pump that will be needed.


    I will work out just fine!

  7. #7
    Moderator beerdart's Avatar
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    Quote Originally Posted by ExciterGPR View Post

    I think its looks good, and a good solution of keeping the gpr tank, and of course to be able do put in what ever pump that will be needed.


    I will work out just fine!
    You can use a GPR EFI tank with the doo pump with some slight mods.
    http://www.greenhulk.net/forums/showthread.php?t=76547
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  8. #8

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    I know but if I dont have any older SD OEM pump.. I rather buy a aftermarket pump instead from the beginning and make a module like that.

    As for now I have a X-pump setup and they can´t be put in any gpr tank..

  9. #9
    Duke's Avatar
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    I like it!!!

    Suprised the OEM setup can supply what it does.

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