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Technical Question: fuel line type into/out of electric fuel pump?

Discussion in 'The Hokey Ass Message Board' started by bantam, Jan 3, 2019.

  1. bantam
    Joined: Oct 16, 2006
    Posts: 396

    bantam
    Member

    Question: I am running a Holley red electric fuel pump mounted to my 1934 frame with a rubber pad between the pump and the frame. Is it best practice to run hard line into and out of the fuel pump or should I put on hose barbs and run rubber line? Or does it not matter?

    Thanks in advance -

    Bantam
     
  2. buffaloracer
    Joined: Aug 22, 2004
    Posts: 816

    buffaloracer
    Member
    from kansas

    I ran a similar pump on a race car years ago and ran hard lines all the way.
    Pete
     
  3. oldiron 440
    Joined: Dec 12, 2018
    Posts: 3,320

    oldiron 440
    Member

    One of the Holley pumps makes a bit of noise but I can't remember witch one, red, blue or black.
    I've always hard lined electric fuel pumps but on a street/strip car noise is not an issue. If I did hardline I'd be tempted to isolate the line on both sides of the pump with rubber under the line clamps.
    Be sure to install a filter before the pump.
     
  4. I ran short rubber pieces to the tank and hard line that I change regularly to keep them fresh.
     

  5. squirrel
    Joined: Sep 23, 2004
    Posts: 56,040

    squirrel
    Member

    Stainless braided hose with AN fittings on either side of the pump....

    They all make a racket, red, blue, and black.
     
    54vicky and Jeff Norwell like this.
  6. Bandit Billy
    Joined: Sep 16, 2014
    Posts: 12,361

    Bandit Billy
    ALLIANCE MEMBER

    They're easier to change if there is a flexible line in there someplace. And you will change them, oh yes...you will.
     
    Just Gary and wraymen like this.
  7. Mr T body
    Joined: Nov 2, 2005
    Posts: 2,227

    Mr T body
    Alliance Vendor
    from BHC AZ

    Hose in and out. No need to try to isolate the pump housing when it's a hard mechanical connection with tube.
     
  8. pkhammer
    Joined: Jan 28, 2012
    Posts: 813

    pkhammer
    Member

    Hose barbs and short section of rubber hose both ways. Isolates vibration and makes service/replacement easier.
     
    GeezersP15, Just Gary and Zax like this.
  9. I would do two short pieces of rubber into the pump

    If you don’t want to do rubber line/ barns and clamps.
    You can do AN fittings like squirrel suggested.
    Or go ta an hydraulic hose place and get two short hoses with fittings on the end. Just specify it will be used for fuel so they supply the correct hose.

    At the very least 1 side should be rubber to make RE&RE easier .

    Also a fuel filter before and a tank shut off valve are good ideas .
     
    Just Gary likes this.
  10. bantam
    Joined: Oct 16, 2006
    Posts: 396

    bantam
    Member

    Thanks for all of the feedback, guys. As always, much appreciated that you take the time to share your experience.

    Bantam
     
  11. I use fuel injection rubber hose on either side of the fuel pump, ethanol
    in the gas doesn't eat them up.
     
    TrailerTrashToo likes this.
  12. BamaMav
    Joined: Jun 19, 2011
    Posts: 6,743

    BamaMav
    Member
    from Berry, AL

    /\ This works for me.
     

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