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Largest 15" Tire Size

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  • Largest 15" Tire Size

    I'm looking to upgrade from 14" rims, what is the largest size tire I can fit on a 15" rim without rubbing?

  • #2
    I have heard you can go as wide as 275's but I wouldn't count on it.
    I have BFG 255 60's in the rear and 235 60's in the front and have no issues with rubbing. I highly recommend this setup.

    Here is a picture of the stance:

    Attached Files
    Lightning Rods repair service:CLICK HERE
    Seller Feedback:CLICK HERE
    1988 H/OCA Advisor
    88 H/O #1 of 4
    88 CSC White/Claret - T-tops
    88 H/O Triple Black
    87 442 Black/Gray - T-tops
    85 442 White/Blue - T-tops
    85 442 White/Blue - T-tops
    85 442 White/Claret - T-tops
    85 442 White/Sage
    84 H/O Aero Commemorative #2199 - Sunroof
    83 H/O #2400 Sand Gray - Sunroof
    83 H/O #1607 Sand Gray - T-tops
    83 H/O #727 Maple
    "Keep them Rockets lit!"

    Comment


    • #3
      Originally posted by 88hurstolds View Post
      I have heard you can go as wide as 275's but I wouldn't count on it.
      I have BFG 255 60's in the rear and 235 60's in the front and have no issues with rubbing. I highly recommend this setup.

      Here is a picture of the stance:

      you can fit the 275's on there, what is out there of them, the '88 H/O's had 275's in the back. both myself and my boss are running 275's with the BFG drag radials, im on chrome olds 15x8 speciality wheels and he is on 15x8 weld rims. it might have to do with backspacing too.

      as said before, for daily driving you would be better off with 255's.

      Comment


      • #4
        The 88 H/O's were not factory produced therefore they shouldn't be used as a basis as the size's and such are misleading. I believe I have used 255's mainly on my past G-Bodies.The best thing you can do is measure your backspacing and the footprint of the desired tire.You and make a cardboard template of the width and sidewall height then bolt on the wheel and move the template around the bare rimm looking for trouble spots.Hehe or just go with the majority vote here and use 255's
        1987 Corvette L98/700r4
        2005 Equinox
        2000 GTP 3.8 S/C
        2002 Regal GS 3.8 S/C
        1972 Cutlass S

        Comment


        • #5
          i used the H/O's as an example as they fit on there, does not matter if they were factory produced or not. any g-body was not produced with 255's either. just an example.

          as i stated before i am running 275-60 drag radials and i do not rub anywhere even on launch. backspacing is a must because you have to know how far from the quarter lip or the inner wheelhouse you are and need to be. good luck.

          Comment


          • #6
            sorry I mistook your example but I took when you made the statement" the '88 H/O's came with 275's" you were meaning that the came produced that way.I am well aware of the fact that no G-Bodies came with 255's or 275's as I've owned about 8 of them in the past, and I hope too find what I am looking for soon except that I keep changing my mind LOL.Anyways goodluck with the tire search
            1987 Corvette L98/700r4
            2005 Equinox
            2000 GTP 3.8 S/C
            2002 Regal GS 3.8 S/C
            1972 Cutlass S

            Comment


            • #7
              Originally posted by gator2206 View Post
              sorry I mistook your example but I took when you made the statement" the '88 H/O's came with 275's" you were meaning that the came produced that way.I am well aware of the fact that no G-Bodies came with 255's or 275's as I've owned about 8 of them in the past, and I hope too find what I am looking for soon except that I keep changing my mind LOL.Anyways goodluck with the tire search
              no problem, all good.

              Comment


              • #8
                I've seen someone with 295's before and thought they looked stupid, they stuck right out the wheel well and I bet they eventually became chewed up from rubbing.
                Lightning Rods repair service:CLICK HERE
                Seller Feedback:CLICK HERE
                1988 H/OCA Advisor
                88 H/O #1 of 4
                88 CSC White/Claret - T-tops
                88 H/O Triple Black
                87 442 Black/Gray - T-tops
                85 442 White/Blue - T-tops
                85 442 White/Blue - T-tops
                85 442 White/Claret - T-tops
                85 442 White/Sage
                84 H/O Aero Commemorative #2199 - Sunroof
                83 H/O #2400 Sand Gray - Sunroof
                83 H/O #1607 Sand Gray - T-tops
                83 H/O #727 Maple
                "Keep them Rockets lit!"

                Comment


                • #9
                  if your nuts like me, you can get 295/50 in there, but they are close. the burnouts look cool though. i do love the 255 rear 235 front combo, looks perfect.

                  Comment


                  • #10
                    I only had a 245/60 on the back of my H/O but then again I only had 14" wheels on mine I love the wheels that the 79 H/O's had
                    1987 Corvette L98/700r4
                    2005 Equinox
                    2000 GTP 3.8 S/C
                    2002 Regal GS 3.8 S/C
                    1972 Cutlass S

                    Comment


                    • #11
                      Originally posted by ralph442 View Post
                      if your nuts like me, you can get 295/50 in there, but they are close. the burnouts look cool though. i do love the 255 rear 235 front combo, looks perfect.
                      They must have been 305's or something along those lines... they stuck out really far and I have no idea how he kept them from getting chewed up by the wheel wells...
                      Lightning Rods repair service:CLICK HERE
                      Seller Feedback:CLICK HERE
                      1988 H/OCA Advisor
                      88 H/O #1 of 4
                      88 CSC White/Claret - T-tops
                      88 H/O Triple Black
                      87 442 Black/Gray - T-tops
                      85 442 White/Blue - T-tops
                      85 442 White/Blue - T-tops
                      85 442 White/Claret - T-tops
                      85 442 White/Sage
                      84 H/O Aero Commemorative #2199 - Sunroof
                      83 H/O #2400 Sand Gray - Sunroof
                      83 H/O #1607 Sand Gray - T-tops
                      83 H/O #727 Maple
                      "Keep them Rockets lit!"

                      Comment


                      • #12
                        depends on the backspacing & wheel width. i have 295/50 on some older ultra 15x8 on my 86. the actually clear well. i do have 1 inch alum spacers in the rear. i only put them on cuz they were almost new & matched the front.

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                        • #13
                          I am running a 255 60 15 tireon my 86 MCSS. I used to run the same on my 83 Cutlass

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                          • #14
                            i have a ran the 255s on my cars without issuses

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                            • #15
                              I ran 275's for years. I rolled the inside lip on the wheel well and had no problem. One thing if you have someone real heavy have them set up front and if they won't set up front make sure they are behind the driver because you will scar your tire if you don't

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