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4 barrel carb for flathead ??

Discussion in 'The Hokey Ass Message Board' started by tokyo, Feb 19, 2006.

  1. I have a good 4 jet core from a 53 Olds and a matching GM air cleaner that is in remarkably good shape if anyone is interested.
  2. Malibob
    Joined: Feb 23, 2009
    Posts: 500

    from Pittsburgh

    That is an Aeroquad by Stromberg. Hope to be putting on my AV8 this winter.

    Sent from my iPhone using The H.A.M.B. mobile app
  3. joe.didio
    Joined: Oct 4, 2014
    Posts: 65


    Maybe a T pot/early Holley. DSC01706.JPG
    JeffB2 and Boden like this.
  4. jimmy six
    Joined: Mar 21, 2006
    Posts: 5,411

    jimmy six

    Carter WCFB, Stomberg Aeroquad, Rochester 4GC, and Holley all had small base 4barrels. Not only the bolt on flathead aftermarket manifolds but aftermarket Inlines too.
  5. carbking
    Joined: Dec 20, 2008
    Posts: 2,652


    The old "square" pattern, not to be confused with "square-bore", were used on lots of vehicles in the early 1950's.

    I am continually amazed that some would place a carburetor designed for a 322 CID Buick on a 239 CID Ford!

    Kind of like putting a 1050 Dominator on a basically stock 327 Chevy. It might be "parking lot fast", but that would be about all.

    I have yet to see any factory published CFM data on most of these early four-barrels, but if the enthusiast will try to find a donor carb from an engine close to the CID of the desired engine, the enthusiast will be MUCH more satisfied with the results. All that is needed is a little research. Carbs with the old "square" pattern were used as factory installations on engines of 195 CID to 549 CID.

    Budget36 and town sedan like this.
  6. Clay Belt
    Joined: Jun 9, 2017
    Posts: 379

    Clay Belt

    Got a few Carters hanging around if you wanted to go that route
  7. 19Fordy
    Joined: May 17, 2003
    Posts: 6,602


    Holley 4 barrel with 1 inch spacer and mechanical advance distributor works for me.
    Engine is 239 cu in.
    OFFY intake has that 7/8 offset which must be dealt with. Use an intake with centered gen. mount to save yourself from problems. IMG_9115big.jpg
  8. twostickmutt
    Joined: Oct 18, 2015
    Posts: 79


    What size jets are you guys running with the holley 390 ? I tried 47's didn't run right . now up to 51's . helped quite a bit but still not quite to my liking. thanks for any suggestions.
  9. town sedan
    Joined: Aug 18, 2011
    Posts: 1,187

    town sedan

    The above post points out one important thing. The Load-O-Matic ignition system doesn't like non LOM carburetors.

    I've thought about building a 270 to 280 some odd inch flat motor (8BA style) and I'd venture a guess, that a Rochester from a 283 SBC and a Bubba distributor would work well. Or, I may be wrong, but that's the fun in trying.
    JeffB2 and chryslerfan55 like this.
  10. chris bowen
    Joined: Mar 24, 2020
    Posts: 3

    chris bowen

    Did your stromberg work...?
    chryslerfan55 likes this.
  11. chris bowen
    Joined: Mar 24, 2020
    Posts: 3

    chris bowen

    Your stromberg looks new!
  12. 283john
    Joined: Nov 17, 2008
    Posts: 775



    I'm actually pretty okay with this...
  13. Boden
    Joined: Oct 10, 2018
    Posts: 627


    Love the t-pots

    Sent from my iPhone using H.A.M.B.
    chryslerfan55 likes this.
  14. Bandit Billy
    Joined: Sep 16, 2014
    Posts: 6,085

    Bandit Billy

    Great! Is confession "essential business" or "non-essential"?
  15. town sedan
    Joined: Aug 18, 2011
    Posts: 1,187

    town sedan

    Personally I'd stay away from the flaming tower of power.
    chryslerfan55 likes this.
  16. chris bowen
    Joined: Mar 24, 2020
    Posts: 3

    chris bowen

    Just be different than the rest
    chryslerfan55 likes this.
  17. Rusty O'Toole
    Joined: Sep 17, 2006
    Posts: 9,007

    Rusty O'Toole

    When I was a kid a popular, low cost hop up was a late Mercury flathead intake, 2 barrel with 4 bolt flange, with a Rochester 2GC off a Chev 283. The carb was a bit bigger than the Ford but not too big for street use. I expect the same manifold would work with a throttle body injection.
    chryslerfan55 likes this.
  18. JeffB2
    Joined: Dec 18, 2006
    Posts: 7,918

    from Phoenix,AZ

    With the exception of the Holley Tea Pot other Carbs do not play well with the stock Load-O-Matic distributor Would some of you that used later 4 barrel carbs pass along your solutions.
    chryslerfan55 likes this.

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