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Thread: Fuel pump question

  1. #11
    EFI'd dn010's Avatar
    Join Date:  Jul 2011

    Location:  Florida: Pinellas County

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    It's the material of the original hose that is terrible. If you have the soft rubber original hose then do yourself a favor and get it out. I've been running the hardened version (I think it was one Rob Grady sold but I can't remember) of the pump to pickup hose for a decade and it has been trouble free. The biggest issue I ever have is the damn fuel pump boot breaking down with today's ethanol fuel. I bought one new and it lasted less than a week, I bought another used here on the forum and it's lasted years and still going so it's really a crapshoot.

    Not the best design, agreed, but I'm also not sold on the all-in-one units yet.
    -----Dan B.

  2. #12
    Senior Member Bitsyncmaster's Avatar
    Join Date:  May 2011

    Location:  Leonardtown, MD

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    My VIN:    03572

    I had the fuel pump buzzing after the gas got hot and I had the spring installed and Hervey's hot air dam. It was only after I installed a fuel cooler it stopped. That was before DMCH offered the new pump.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  3. #13
    Delorean Guru
    Join Date:  May 2011

    Location:  Northern NJ

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    Club(s):   (DMA)

    If the pump ever makes that noise you have damaged it and it will make that noise quicker and quicker even when the fuel does not get hot. Eventually the pump will fail. The spring helps but doesn't prevent it. If DMCH can ever perfect the newer style all-in-one unit that would be the way to go. The OEM set-up is jut too Rube Goldberg.
    David Teitelbaum

  4. #14
    Not really banned Michael's Avatar
    Join Date:  May 2011

    Posts:    3,248

    Quote Originally Posted by Bitsyncmaster View Post
    I had the fuel pump buzzing after the gas got hot and I had the spring installed and Hervey's hot air dam. It was only after I installed a fuel cooler it stopped. That was before DMCH offered the new pump.
    I don't think I have seen one of those. Is that a DMC specific part or a universal?

  5. #15
    Senior Member Bitsyncmaster's Avatar
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    Location:  Leonardtown, MD

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    Quote Originally Posted by Michael View Post
    I don't think I have seen one of those. Is that a DMC specific part or a universal?
    The old pump that buzzed was a DMCH part. It was what they found to replace the NOS pumps.

    There new pump is different and includes the fuel level sender.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  6. #16
    Not really banned Michael's Avatar
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    Quote Originally Posted by Bitsyncmaster View Post
    The old pump that buzzed was a DMCH part. It was what they found to replace the NOS pumps.

    There new pump is different and includes the fuel level sender.
    I was talking about the fuel cooler

  7. #17
    Senior Member Bitsyncmaster's Avatar
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    Quote Originally Posted by Michael View Post
    I was talking about the fuel cooler
    My own design.
    Attached Images
    Dave M vin 03572
    http://dm-eng.weebly.com/

  8. #18
    Senior Member
    Join Date:  May 2011

    Location:  Burnsville MN-Moving to Kalispell MT. in June 20111

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    That"s pretty cool....

  9. #19
    Not really banned Michael's Avatar
    Join Date:  May 2011

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    Quote Originally Posted by SS Spoiler View Post
    That"s pretty cool....
    ing!

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