vacuum barbs

  1. A

    Switching to non-vacuum barb manifolds, can I still use vacuum petcock?

    Switching to non-vacuum barb manifolds from JBM (he doesn't drill them for vacuum barbs anymore and I don't feel like drilling my own) can I still use vacuum petcock and switch it over to "prime"? thanks! -jonathan
  2. S

    Question on carb holder air barbs

    I need to purchase some new holders to attach the carbs to the engine. The originals came with air barbs and are from a 1979 XS SF. If I am not going to reuse the vacume petcocks do I need to purchase new holders with or without air barbs. I will get the new ones from JBM. I will probably be...
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