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Technical Factory Chevy BBC Holley 4150 Question

Discussion in 'Traditional Hot Rods' started by Wildman1, Aug 11, 2018 at 1:09 PM.

  1. Wildman1
    Joined: Jul 10, 2009
    Posts: 143

    Wildman1
    Member

    Rebuilding a GM BBC 1969 4150, and have a piece left. Darn!

    [​IMG]

    What is it?

    Thanks!
     
  2. Deuces
    Joined: Nov 3, 2009
    Posts: 14,728

    Deuces
    Member
    from Michigan

    That's weird..... Never seen anything like it.....:confused:
    Does that carb have manual choke???.....
     
  3. Deuces
    Joined: Nov 3, 2009
    Posts: 14,728

    Deuces
    Member
    from Michigan

    It could be part of that mechanism....????...
     
  4. oj
    Joined: Jul 27, 2008
    Posts: 5,689

    oj
    ALLIANCE MEMBER

    Looks like a detent ball for the manual choke. When you roll open the choke the bull nose on that detent clicks and holds the choke open.
     
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  5. Deuces
    Joined: Nov 3, 2009
    Posts: 14,728

    Deuces
    Member
    from Michigan

    Yep!..... That's what I was thinking of..... :)
     
  6. Deuces
    Joined: Nov 3, 2009
    Posts: 14,728

    Deuces
    Member
    from Michigan

    Here's a breakdown picture.... 51DtFi+mneL._AC_SY400_.jpg
     
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  7. mrhp
    Joined: Nov 19, 2006
    Posts: 176

    mrhp
    Member
    from MICHIGAN

    Anti siphon plunger under the accelerator pump squirter?
     
  8. Deuces
    Joined: Nov 3, 2009
    Posts: 14,728

    Deuces
    Member
    from Michigan

    Nope! Because that part is pointed....
     
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  9. Wildman1
    Joined: Jul 10, 2009
    Posts: 143

    Wildman1
    Member

    Can you get a picture that shows this? I originally thought it was part of the choke.

    Thanks!
     
  10. deathrowdave
    Joined: May 27, 2014
    Posts: 936

    deathrowdave
    ALLIANCE MEMBER
    from NKy

    Winner Winner Chicken Dinner on a piece for the manual choke . The photo of parts is not broken down far enough to show this part . Remove the nut and arm from the bracket and high cam ramp and you will see that part and a spring . When reassembling it a touch of grease will help it to maintain easy operation for years .
     
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  11. deathrowdave
    Joined: May 27, 2014
    Posts: 936

    deathrowdave
    ALLIANCE MEMBER
    from NKy

    Not on top of Chebbie carbs as well as Ford , not many as in very damn few were offered OEM manual choke .
     
  12. Wildman1
    Joined: Jul 10, 2009
    Posts: 143

    Wildman1
    Member

    Thanks!
     

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