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Customs Carter WCFB carb question

Discussion in 'The Hokey Ass Message Board' started by totalrod, Oct 4, 2025 at 12:34 PM.

  1. totalrod
    Joined: Saturday
    Posts: 2

    totalrod

    I have a 289 Studebaker motor with the original Carter WCFB on it. I'd like to replace it with a new carburetor. But not really sure what would be a suitable replacement. The bolt pattern is 5¾ x 4¼. Any help would be greatly appreciated.
     
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  2. Doublepumper
    Joined: Jun 26, 2016
    Posts: 1,780

    Doublepumper
    Member
    from WA-OR, USA

    No help with a replacement, but Carter WCFB's are rebuildable. That's what I'd do.
     
  3. PackardV8
    Joined: Jun 7, 2007
    Posts: 1,322

    PackardV8
    Member

    When the WCFB is right, it's the perfect carb for your Stude; as mentioned they're rebuildable.

    The current 600 CFM Edelbrocks have a dual bolt pattern which will fit your intake; you'll have to change the throttle linkage, fuel line, air filter base and grind the bottom of the carb linkage.
     
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  4. hepme
    Joined: Feb 1, 2021
    Posts: 629

    hepme
    Member

    can do edlebrock but not necessarily a good idea--the wcfb is super solid when right, a top shelf rebuild might bring it back. If you're unsure of yourself, consult a good carb guy (preferably old one) and see what it would take--maybe let him do it.
     
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  5. jimmy six
    Joined: Mar 21, 2006
    Posts: 16,898

    jimmy six
    ALLIANCE MEMBER

    I like them…they are tunable and work great. IMO they need an insulator plate below them because of today’s fuel blend. IMG_4522.jpeg
     
    bchctybob, NoSurf, 2OLD2FAST and 4 others like this.
  6. warbird1
    Joined: Jan 3, 2015
    Posts: 1,333

    warbird1
    ALLIANCE MEMBER

    Nothing wrong with the WCFB, I've always had good luck with them. Running two of them on the Cad 331 in my roadster now. Several sources for kits are out there and they're no harder to work on than any other carb...

    @carbking is a good resource for these things
     
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  7. carbking
    Joined: Dec 20, 2008
    Posts: 3,939

    carbking
    Member

    The WCFB is a really good carb, and probably the very best choice for your Studebaker. The mid-50's Studebaker version flowed a bit less than 300 CFM. Take a look at the SMALLEST new 4-barrels you can find, and then rebuild your WCFB.

    The most difficult issue in rebuilding a WCFB is convincing yourself that your can do it.

    Rebuilding kits, and most other parts are readily available.

    Jon
     
  8. Kevin Pharis
    Joined: Aug 22, 2020
    Posts: 695

    Kevin Pharis
    Member
    from Califunny

    I sent the WCFB on my Avanti to a fella that did a beautiful job cleaning it up with new plating and such, but sumthin bout it ain’t right tho. Have plans to send it to Bob at Competition Carburetion in Reno for a tune up. He’s got me straightened out before

    IMG_0616.jpeg
     
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  9. totalrod
    Joined: Saturday
    Posts: 2

    totalrod

    Thanks everyone for all the tips. It looks like we're going to try rebuilding it. I haven't been on here in about 17 years (had a '61 Comet back then). Great resource, this board.
     
  10. NoSurf
    Joined: Jul 26, 2002
    Posts: 4,802

    NoSurf
    Member

    I had mine on my 64 impala rebuilt a few years ago by an old guy in Manchester nh. Came out great.
     
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  11. George
    Joined: Jan 1, 2005
    Posts: 7,948

    George
    Member

    Hot Heads, and probably others, sell a squeeze plate that necks down to the OEM bore size if bores in the intake can't be opened up.
     
    totalrod likes this.
  12. PackardV8
    Joined: Jun 7, 2007
    Posts: 1,322

    PackardV8
    Member

    Odd, as all Avanti were originally equipped with the Carter AFB.

    jack vines
     
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  13. Kevin Pharis
    Joined: Aug 22, 2020
    Posts: 695

    Kevin Pharis
    Member
    from Califunny

    Correct again Jack! Had to go out and check what was on the neglected ol girl. Either way, it’s off for a tune up soon

    IMG_3372.jpeg
     
    NoSurf and totalrod like this.

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