Home Forums Autocross / Solo 2 Final Drive Ratios

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    • #9205
      Mark
      Participant

      New to the shifter kart drug, not so new to autocrossing though I’m coming out of F-Mod and into K-mod.

      Question about the final drive ratio, what do people shoot for as a top speed at Nationals (80 mph or so)?

      Thanks for any input!

      Mark Y.

    • #9247
      Bill Schmidt
      Participant

      Others can chime in, but I thought it was about 60mph.

    • #9263
      Alan Sheidler
      Participant

      Varies by year.  This year, I think nearer 75 MPH, faster than usual.

    • #12218
      James McMahon
      Participant

      This is a handy excel sheet for calculating gear ratios vs RPMs and speed if you are looking to kill time:
      http://www.kartweb.com/TechArt/honda_gearmaster.htm

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