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Technical Frog mouth scoops for rochester 2G

Discussion in 'Traditional Hot Rods' started by Dave Lahood, Jun 21, 2019.

  1. Dave Lahood
    Joined: Jun 21, 2019
    Posts: 3

    Dave Lahood

    Would any one know where I can find a frog mouth scoop that would fit a Rochester 2G? The inlet is 3 inch dia. So far all I can find are scoops for carbs with 2 5/8. Inch inlet.

    Thanks so much
     
  2. rjones35
    Joined: May 12, 2008
    Posts: 865

    rjones35
    Member

    Vintage speed.
     
  3. Dave Lahood
    Joined: Jun 21, 2019
    Posts: 3

    Dave Lahood

    Thanks much but everything they have is for 2 5/8 inlet carburetors
     
  4. BLUDICE
    Joined: Jun 23, 2006
    Posts: 1,473

    BLUDICE
    Member

    I believe a limited number were made about 15 years ago - 6 were put on Atomic Punk - and 6 more on a car built locally. I think this is all correct - but 15 years is a long time.
     
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  5. Are you sure about those measurements? I ran a set on my 2Gs (had to add small set screws) but they fit my 97s as well IIRC?
     
  6. enjenjo
    Joined: Mar 2, 2001
    Posts: 2,499

    enjenjo
    Member
    from swanton oh

    2GC carbs came both ways. the smaller ones for early Chevy and early Pontiacs were 2 5/8". For Olds Buick, and later Pontiacs and Chevys were 3". 265, 283, and 307 had the small ones. 327 and 350s had the big ones. Tripower Pontiacs had a big one in the middle, and a small one on each end as did Cadillac
     
    loudbang and kadillackid like this.
  7. OLDSMAN
    Joined: Jul 20, 2006
    Posts: 2,424

    OLDSMAN
    BANNED

    I had a 61 Pontiac with factory tri-power and all the carbs took the same air cleaners. I bought factory air cleaners from a local dealer for it
     
  8. treb11
    Joined: Jan 21, 2006
    Posts: 3,464

    treb11
    ALLIANCE MEMBER

    sorry, but that's backwards. Small center, big ends, until they went to all big carbs.
     
    fordflambe likes this.
  9. wheeldog57
    Joined: Dec 6, 2013
    Posts: 1,701

    wheeldog57
    Member

    O'Brien Truckers maybe
     
  10. 41rodderz
    Joined: Sep 27, 2010
    Posts: 4,725

    41rodderz
    Member
    from Oregon

    If I remember correctly my big base 2 barrel of a 401 nailhead took a bigger one . Used an adapter to use a 4 barrel air cleaner down to it .
     

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