Air pressure questions

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  • eddieb1965
    Senior Member
    • Oct 2009
    • 330

    #1

    Air pressure questions

    I'm running Hoosier e-mod D tires. I have my stagger, now I need to know some starting air pressures.I have Rf-84" RR-85" LF-83" LR-83" . Right now I am starting at 9psi inside and 13psi on the outside.Track is a 1/4 semi banked and will get slicked off by feature time. Beadlock on RR What kind of air pressure do I need to start and what would you do at feature time? I dont have a mega motor so I'm planning on running soft tires all night. Thanks Eddie
  • eddieb1965
    Senior Member
    • Oct 2009
    • 330

    #2
    I havent had car scaled so I cant give anymore info,I am going to run it a couple more nights before I get it scaled so I can see the difference. Thanks

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    • 1cln_sdime
      Senior Member
      • Apr 2008
      • 138

      #3
      We run 10 left 15 right also small engine

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      • SnapOn35
        Junior Member
        • Apr 2011
        • 28

        #4
        10 left side,12-rf and 14-rr and check heat across the tires after each race and adjust accordingly
        Last edited by SnapOn35; 05-19-2011, 07:27 AM. Reason: just to add

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        • fajita7
          Junior Member
          • Mar 2009
          • 26

          #5
          We run a older car but we got 14rf 12rr 10lf 9lr

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          • Egoracing
            Senior Member
            • May 2007
            • 4852

            #6
            Don't forget to rescale it after an air change. On our late model I could add 2 lbs to the RF and LR and drop 1 lb on the LF and RR and it would gain about #200lbs of bite.
            I would suggest putting it on the scales, make changes, record the results and use it for tuning.

            Comment

            • not clamped up
              Senior Member
              • Jul 2007
              • 287

              #7
              15 on the rights and 12 on the lefts has won a couple hundred features that I know of in the the last 10 yrs or so,they don't perform very well racin on the sidewalls.

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