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Technical Mechanical fuel pump warning

Discussion in 'The Hokey Ass Message Board' started by 54FISH, Dec 29, 2025 at 5:05 PM.

  1. 54FISH
    Joined: Jan 10, 2011
    Posts: 425

    54FISH
    Member

    Hello Hambers. I judt wanted to give a heads up Warning about a problem i ran into . My other post had me towed by AAA . Turned out i had a worn or broken br*** tip fuel rod . Repaired it & was out cruising for about 5 miles & engine died yet again & another AAA tow on Christmas . I did troubleshooting & my cause of failure this time was the EDELBROCK 1721 LOOKALIKE MECHANICAL FUEL PUMP sold by Jegs ( picture of black pump ) . The Edelbrock 1721 was discontinued & NO rebuild seal kit avaiable so i bought the jegs ( because it clockable like the 1721) . Ran good for a while but the actuatiion arm for the plunger/ diaphram broke . There are reviews of this happening to other people also . I recently found that Edlebrock has brought the 1721 back & i will be buying one ( sure it works the same as the Jegs but hope better quality) . So if your looking to save $$$ by going the Jegs lookalike 1721 , remember i warned ya .
     

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    mad mikey, GuyW, skooch and 2 others like this.
  2. hotrodA
    Joined: Sep 12, 2002
    Posts: 7,396

    hotrodA
    ALLIANCE MEMBER

    Carter M-2468 is clockable . Buy it locally.
    IMG_4015.jpeg
     
  3. 54FISH
    Joined: Jan 10, 2011
    Posts: 425

    54FISH
    Member

    Thanks , I need 6psi for Quickfuel 680SS carb , 3/8 inlet /outlet 180 degrees or as close to that as i can get . And im very tight to frame . Edelbrock 1721 fits snug in there & has 110gph 6psi max & has 3/8 inlet/outlet . Think im going with that i have an old one if i need parts for some reason too . Thanks HAPPY NEW YEAR TO ALL MY BROTHER HAMBERS!!!
     
    Deuces likes this.
  4. Kerrynzl
    Joined: Jun 20, 2010
    Posts: 3,633

    Kerrynzl
    Member

    These are about 120° apart ,so the inlet and outlet are not further out past the pump body

    https://partshawk.com/airtex-4460-m...aVN6on0knkZ11qSsWIYn_gCGW3zNWw3mDfhcG1pxtXTpF

    [​IMG]

    [​IMG]
     
    1oldtimer and Deuces like this.
  5. willys36
    Joined: May 6, 2006
    Posts: 3,200

    willys36
    Member

    I have a friend with a shop truck w/ SBC. He has had 3 mechanical pumps from 'O Reilly's fail in about a 6 month period.
     
    mad mikey and Johnny Gee like this.
  6. Flathead Dave
    Joined: Mar 21, 2014
    Posts: 4,038

    Flathead Dave
    ALLIANCE MEMBER
    from So. Cal.

    I try not to buy from a company that gives logo stickers with their products.
    With that said, every manufacturer has a glitch on some products and it doesn't matter which company it is.
    I have found that once the original owner of a good company p***es away or sells, that the company usually goes to ****.
     
    INVISIBLEKID likes this.
  7. Like @Kerrynzl showed in his post, I have a few NOS and used Airtex and Carter. Biggest problem was finding a quality rebuild kit, but I think Then and Now Automotive is still in business.
     

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