tire size conversion

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  • orangefox
    TCS Regular
    • Apr 2006
    • 1603

    tire size conversion

    What size slick would be about the same as a 315/60/15?
    2002 Ford Excursion
    2003 Ford Expedition
    2005 Mercury Mariner
    80' Buick Regal drag car
    88' LX Mustang 5.0
    2010 Yamaha Road Star
  • tirenick
    Pimp of Tires
    Moderator
    • Oct 2007
    • 6255

    #2
    Originally posted by CobraCrazy83 View Post
    What size slick would be about the same as a 315/60/15?
    30x13.50-15

    Comment

    • orangefox
      TCS Regular
      • Apr 2006
      • 1603

      #3
      Thank you!
      2002 Ford Excursion
      2003 Ford Expedition
      2005 Mercury Mariner
      80' Buick Regal drag car
      88' LX Mustang 5.0
      2010 Yamaha Road Star

      Comment

      • tirenick
        Pimp of Tires
        Moderator
        • Oct 2007
        • 6255

        #4
        Originally posted by CobraCrazy83 View Post
        Thank you!

        Comment

        • KrisR
          KNT-SHO
          • Dec 2002
          • 12737

          #5
          Originally posted by tirenick View Post
          30x13.50-15
          Not to be argumentatatatative, but wouldn't a smaller slick be closer, since the slick's 'width' is the actual tread width, and the radial's 'width' is the sidewall width?

          M/T says their 315/60-15 is 30" dia, 12.9" sidewall width, and 11.9" tread width. Their 29.5x11.5-15 is pretty close overall, at 29.9" diameter, 11.1" tread, and 13.6" sidewall. Also, the slick will obviously grow more than the drag radial, so it will be taller at the big end.

          Just some things to consider.

          Comment

          • tirenick
            Pimp of Tires
            Moderator
            • Oct 2007
            • 6255

            #6
            Originally posted by KrisR View Post
            Not to be argumentatatatative, but wouldn't a smaller slick be closer, since the slick's 'width' is the actual tread width, and the radial's 'width' is the sidewall width?

            M/T says their 315/60-15 is 30" dia, 12.9" sidewall width, and 11.9" tread width. Their 29.5x11.5-15 is pretty close overall, at 29.9" diameter, 11.1" tread, and 13.6" sidewall. Also, the slick will obviously grow more than the drag radial, so it will be taller at the big end.

            Just some things to consider.
            Yes you are correct.....I was refering to the overall dimensions of the 315/60-15 as being 30x13.50-15. The actual "slick size" closest to that would be the 29.5x11.5-15....you sir are right!!!! SORRY

            Comment

            • orangefox
              TCS Regular
              • Apr 2006
              • 1603

              #7
              Interesting
              2002 Ford Excursion
              2003 Ford Expedition
              2005 Mercury Mariner
              80' Buick Regal drag car
              88' LX Mustang 5.0
              2010 Yamaha Road Star

              Comment

              • orangefox
                TCS Regular
                • Apr 2006
                • 1603

                #8
                So should you screw in the tires if you don't use tubes?
                2002 Ford Excursion
                2003 Ford Expedition
                2005 Mercury Mariner
                80' Buick Regal drag car
                88' LX Mustang 5.0
                2010 Yamaha Road Star

                Comment

                • tirenick
                  Pimp of Tires
                  Moderator
                  • Oct 2007
                  • 6255

                  #9
                  Originally posted by CobraCrazy83 View Post
                  So should you screw in the tires if you don't use tubes?
                  I haven't on any of ours. Most of the ones we have done tubeless have been unscrewed as well...

                  Comment

                  • orangefox
                    TCS Regular
                    • Apr 2006
                    • 1603

                    #10
                    So what size rim do you think I have then with that size tire?
                    2002 Ford Excursion
                    2003 Ford Expedition
                    2005 Mercury Mariner
                    80' Buick Regal drag car
                    88' LX Mustang 5.0
                    2010 Yamaha Road Star

                    Comment

                    • LES
                      Doing more with Les!
                      • Apr 2006
                      • 33157

                      #11
                      Originally posted by CobraCrazy83 View Post
                      So should you screw in the tires if you don't use tubes?
                      If you dont tube your slicks they will get low or go flat every week,they are pouris.(sp).

                      Tube um.
                      It is a damn poor mind indeed which can't think of at least two ways to spell any word.
                      Andrew Jackson

                      Comment

                      • tirenick
                        Pimp of Tires
                        Moderator
                        • Oct 2007
                        • 6255

                        #12
                        Originally posted by CobraCrazy83 View Post
                        So what size rim do you think I have then with that size tire?
                        prolly 10" would be the best

                        Comment

                        • tirenick
                          Pimp of Tires
                          Moderator
                          • Oct 2007
                          • 6255

                          #13
                          Originally posted by LES View Post
                          If you dont tube your slicks they will get low or go flat every week,they are pouris.(sp).

                          Tube um.
                          zip it LES!!!

                          Comment

                          • orangefox
                            TCS Regular
                            • Apr 2006
                            • 1603

                            #14
                            I got the tires today, I got the 29.5x11.5-15. When I measured them they are 2 inches taller than the ones I got now and I don't know if they will fit now. You were not the only one I asked either and they all gave the same dimesions saying that was the matching tire to what I have
                            2002 Ford Excursion
                            2003 Ford Expedition
                            2005 Mercury Mariner
                            80' Buick Regal drag car
                            88' LX Mustang 5.0
                            2010 Yamaha Road Star

                            Comment

                            • tirenick
                              Pimp of Tires
                              Moderator
                              • Oct 2007
                              • 6255

                              #15
                              Originally posted by CobraCrazy83 View Post
                              I got the tires today, I got the 29.5x11.5-15. When I measured them they are 2 inches taller than the ones I got now and I don't know if they will fit now. You were not the only one I asked either and they all gave the same dimesions saying that was the matching tire to what I have
                              what kind of tires?

                              Comment

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