engine question

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  • hipower17
    Senior Member
    • Dec 2007
    • 643

    #1

    engine question

    will a bbc oil pump fit a sbc?
  • billetbirdcage
    Senior Member
    • May 2007
    • 2019

    #2
    Originally posted by hipower17 View Post
    will a bbc oil pump fit a sbc?
    Yes, you just need to use the shorter oil pump shaft made to do that and the correct pick up tube size (3/4")

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    • bob75
      Senior Member
      • May 2007
      • 2814

      #3
      I didn't have to change oil pump shaft just bolted pump to cap. No issues

      Comment

      • billetbirdcage
        Senior Member
        • May 2007
        • 2019

        #4
        Originally posted by bob75 View Post
        I didn't have to change oil pump shaft just bolted pump to cap. No issues
        While possible^^, you need to check shaft clearance with the dizzy installed. I am thinking the adapting shaft is .135 shorter, because a std length shaft and a BBC pump can have negative clearance and actually push up on the dizzy and cause the dizzy to lock up and strip the gear to the cam. Been there and done that, so be sure to check it has slop when installed (fully assembled and oil pan off to be able to see if oil pump shaft can move up and down and isn't tight/jammed).

        Comment

        • Krooser
          Senior Member
          • Nov 2012
          • 3117

          #5
          Depends on deck height and if the manifold has been machined
          Member of the Luxemburg Speedway Hall of Fame
          Class of 2019

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