9 inch to quick change

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  • jamminjayman5
    Member
    • Oct 2013
    • 63

    #16
    It was about the same but the nice thing is if the track slows you can go up to say a 6.12 or 6.20 in 3 minutes not even rushing. Lol I'm on kk704s too

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    • mudeater18
      Senior Member
      • Sep 2009
      • 1599

      #17
      Originally posted by not clamped up View Post
      The biggest problem i've seen is some of the quick changes have a 4:11 ring and pinion so this requires a 40 point adjustment,6.50 in a 9 inch 6.90 in a quick change with a 4.11 ring and pinion,now if you have a 4.86 ring and pinion in your quick change the gear that you are running in your 9 inch should be real close so I would start with the 6.0.
      Hope that helps.
      What ?????

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      • drtrkr244
        Banned
        • Dec 2007
        • 1024

        #18
        Originally posted by mudeater18 View Post
        What ?????
        X2.....Please explain!

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        • Krooser
          Senior Member
          • Nov 2012
          • 3117

          #19
          This is one of the only times I can remember that a rule change comes along that steals 5% of their engine's HP and the drivers are happy about it…. these are strange times we live in.
          Last edited by Krooser; 09-22-2014, 11:28 PM.
          Member of the Luxemburg Speedway Hall of Fame
          Class of 2019

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          • Bcollins82
            Senior Member
            • Jul 2009
            • 322

            #20
            Originally posted by Krooser View Post
            This is one of the only times I can remember that a rule change comes along that steals 5% of their engine's HP and the drivers are happy about it…. these re strange times we live in.
            Ever change a 9" gear at the track? Nuff said... lol

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            • Dirty Rick
              Junior Member
              • Sep 2014
              • 13

              #21
              Cheaper in the long run, easier to change gears, easier to repair (you replace pieces instead of the whole housing)

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              • Confused?
                Senior Member
                • Apr 2009
                • 418

                #22
                Bcollins82 hit the nail on the head.
                Bill W. and Dr. Bob......who could have known.

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                • DirtRacer9x
                  Senior Member
                  • Jul 2014
                  • 305

                  #23
                  Originally posted by stock car driver
                  crate motor is 200 hp down and most everyone switched to them
                  When will we know what's enough power and how the curve should be? Now you hear crate motor guys complaining on tacky tracks being wide open the whole time and don't wanna lift. Now you'll have a 20hp/TQ loss. So heck I dunno what's right or wrong or enough but having a quick change in my opinion doesn't matter since ill never run a crate.

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                  • Dirty Rick
                    Junior Member
                    • Sep 2014
                    • 13

                    #24
                    Also with a QC I think you can get in between ratios that you cant get with a 9"?

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