bore x stroke

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  • wyoracer
    Junior Member
    • Oct 2010
    • 7

    #1

    bore x stroke

    looking for opinions on big bore short stroke vs small bore long stroke in motors under
    400 ci


    Thanks
    Last edited by wyoracer; 10-27-2011, 10:34 AM.
  • WarsawSuspTec
    Member
    • Mar 2010
    • 72

    #2
    On a small track,ill take a big bore-small stroke-long rod -low bob weight any day,won 16 feature`s out of 21 with it.

    Comment

    • MasterSbilt_Racer
      Senior Member
      • May 2007
      • 14304

      #3
      You need the big bore so your valves aren't shrouded.
      Modern Day Spec Wedge Racing

      Comment

      • wyoracer
        Junior Member
        • Oct 2010
        • 7

        #4
        Thanks for responding, We're looking to get a new motor for next year and
        trying to decide which way to go

        Thanks Again
        Dan

        Comment

        • frank 75
          Member
          • Sep 2007
          • 55

          #5
          Talk to a Dirt Late Model engine builder, they are all big bore.

          If you are even think'in small bore you are in the wrong class.

          Comment

          • DLM06
            Member
            • Jul 2007
            • 69

            #6
            Originally posted by WarsawSuspTec View Post
            On a small track,ill take a big bore-small stroke-long rod -low bob weight any day,won 16 feature`s out of 21 with it.
            What do you consider a good combination?
            Thanks

            Comment

            • WarsawSuspTec
              Member
              • Mar 2010
              • 72

              #7
              It all come`s down to how much money you want to spend,The combo im using right now as a sb2 top end,that`s where your going to get your hp number`s from.

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