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Technical Stromberg 3x2 isle mixtur adjustment hemi

Discussion in 'The Hokey Ass Message Board' started by kevin31, Aug 18, 2018.

  1. kevin31
    Joined: Oct 1, 2011
    Posts: 35

    kevin31
    Member
    from ottawa

    I have a newly assembled stromberg setup on my 345 desoto that seems to run and idle great but have a feeling it’s running more rich at idle than it needs to. Carbs are all still stock jets and power valves and mixture screws are out 1-1/2 turns, was going to start adjusting the mixture screws when I realized I do t have any vacuum ports installed on my intake, any ideas on how to finely tune these without a vacuum source, I know the easy answer would be to just install a vacuum fitting, but any other ways to go about this or do I just leave it alone, it’s not fouling plugs and it seems to run great but I don’t know if it could be better. It’s got a pretty lumpy cam in it so not sure how cell the vacuum gauge will read anyway


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  2. kevin31
    Joined: Oct 1, 2011
    Posts: 35

    kevin31
    Member
    from ottawa

    [[​IMG]


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  3. big duece
    Joined: Jul 28, 2008
    Posts: 5,473

    big duece
    Member
    from kansas

    I believe the front and rear carbs do not use the idle circut, only the center carb. At least with the Rochester 2gc. Is the linkage progressive?
     
  4. kevin31
    Joined: Oct 1, 2011
    Posts: 35

    kevin31
    Member
    from ottawa

    Should have mentioned it’s a straight linkage


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    chryslerfan55 likes this.
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