Tillotson Economizer Valve

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  • billpedalino
    replied
    Originally posted by duffeycycles View Post
    Quicker revving Sportsters need a bigger dump on acceleration than stock Shovels...?
    I really don't know - I thought that was what the accelerator pump was for....??

      Leave a comment:

    • duffeycycles
      replied
      Quicker revving Sportsters need a bigger dump on acceleration than stock Shovels...?

        Leave a comment:

      • billpedalino
        started a topic Tillotson Economizer Valve

        Tillotson Economizer Valve

        I noticed that the HD-1D carburetor body for my 1970 CH isn't machined to accept the economizer check ball and welch plug. I also have an HD-2D that does have this check ball. Given that the HD-1D and HD-2D were both used in 1970 (Sportster and 74, respectively) I'm curious to know why the Sportster version doesn't have one. Please see the attached photos. Any insight?
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