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Technical Can you all help me guess the number?

Discussion in 'The Hokey Ass Message Board' started by JorgeFleet48, Sep 13, 2022.

  1. JorgeFleet48
    Joined: Jul 11, 2019
    Posts: 40

    JorgeFleet48

    It's a Rochester carb, it was in a 56 Chevy 235.
    Any guesses as to the stamped number? Trying to get the rebuild kit for it....

    I'm thinking 7003538 or ????

    Not of my guesses (there were a few more lol) are on the carb doctor website. Screenshot_20220913_200543_Gallery.jpg Screenshot_20220913_200526_Gallery.jpg Screenshot_20220913_200543_Gallery.jpg Screenshot_20220913_200526_Gallery.jpg 20220913_195435.jpg
    Thanks in advance
     
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  2. fordflambe
    Joined: Apr 9, 2007
    Posts: 567

    fordflambe
    Member

    do a rubbing and see what you get
     
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  3. jaracer
    Joined: Oct 4, 2008
    Posts: 1,832

    jaracer
    Member

    I'd rub a piece of chalk over the numbers and then wipe off the body.
     
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  4. wheeldog57
    Joined: Dec 6, 2013
    Posts: 2,589

    wheeldog57
    Member

    I see 7558 as last 4, good luck
     
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  5. squirrel
    Joined: Sep 23, 2004
    Posts: 52,803

    squirrel
    Member

    that's a casting number. You need the number that was stamped on the brass tag, held on by one of the screws on top. It's long long gone.

    rochester_b.JPG
     
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  6. Moriarity
    Joined: Apr 11, 2001
    Posts: 26,362

    Moriarity
    SUPER MODERATOR
    Staff Member

  7. JorgeFleet48
    Joined: Jul 11, 2019
    Posts: 40

    JorgeFleet48

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  8. HEATHEN
    Joined: Nov 22, 2005
    Posts: 8,083

    HEATHEN
    Member
    from SIDNEY, NY

    Clean off the gasket surface where it bolts to the manifold. I've seen lots of Rochester B carbs that had the last four digits of the I.D. number stamped there.
     
  9. JorgeFleet48
    Joined: Jul 11, 2019
    Posts: 40

    JorgeFleet48


    Well that's why I come here for knowledge, there it was 9254, right where you said.

    Thanks 20220913_195227.jpg
     
  10. Bob Lowry
    Joined: Jan 19, 2020
    Posts: 1,168

    Bob Lowry

    Generic tag info...

    tagg.jpeg
     
  11. lippy
    Joined: Sep 27, 2006
    Posts: 6,458

    lippy
    Member
    from Ks

    Maybe you'll get lucky and get one for a 261. :D If you end up getting a re-built carb, a lot of people didn't know when they sent their 261 carb in they would get a 235 back. The 261 had a bigger throat and butterfly. Lippy
     
  12. squirrel
    Joined: Sep 23, 2004
    Posts: 52,803

    squirrel
    Member

  13. HEATHEN
    Joined: Nov 22, 2005
    Posts: 8,083

    HEATHEN
    Member
    from SIDNEY, NY

    7009254 is from a 1956 Chevrolet passenger car with a Powerglide.
     
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  14. sunbeam
    Joined: Oct 22, 2010
    Posts: 5,900

    sunbeam
    Member

    Motors manual only list 7009254 and 7009255 in 56
     
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  15. JorgeFleet48 likes this.
  16. carbking
    Joined: Dec 20, 2008
    Posts: 3,462

    carbking
    Member

    The 7003538 is, as mentioned, a casting number for a throttle body "blank" which could be machined a number of different ways, and used on a number of different Rochester type B carburetors.

    The 9254, again as mentioned by others in this thread, is the last 4 digits in part number 7009254.

    7009254 was used on a 1956 Chevrolet 235 passenger with powerglide.

    One rebuilding kit number is a CS-337.

    This link shows application: https://www.thecarburetorshop.com/Kchevrolet1.htm

    Jon
     
    mgtstumpy and JorgeFleet48 like this.
  17. JorgeFleet48
    Joined: Jul 11, 2019
    Posts: 40

    JorgeFleet48

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