tires for 68 vette - NCRS Discussion Boards

tires for 68 vette

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  • lorence

    tires for 68 vette

    im having a problem with front tires rubbing on the right inner fender and frame on my 68 small block vette. car presently has p225/70/r15 eagles anyone out there with any suggestions? dealer recommended p225/60r15 wider but shorter anyone used these with success? thanks for any help
  • Gene M.
    Extremely Frequent Poster
    • April 1, 1985
    • 4232

    #2
    Re: tires for 68 vette

    Do you have the original 7 inch wheels? If you are using replacements, are the 8 inch? Gm wheels? Correct offset? The matter is if using original 7 inch wheels you should not have any problem.

    Comment

    • Gene M.
      Extremely Frequent Poster
      • April 1, 1985
      • 4232

      #3
      Re: tires for 68 vette

      Do you have the original 7 inch wheels? If you are using replacements, are the 8 inch? Gm wheels? Correct offset? The matter is if using original 7 inch wheels you should not have any problem.

      Comment

      • Tom B.
        Very Frequent User
        • February 1, 1994
        • 779

        #4
        225 too much?

        Lorence, and Gene

        I just now went to a 215/70R15, with original 7" rims. Work perfect. I was originally concerned about the 225 size, which may (or may not) work on other sharks. 225 may be the problem, as well as what Gene said, 7" rims. Tom #24014

        Comment

        • Tom B.
          Very Frequent User
          • February 1, 1994
          • 779

          #5
          225 too much?

          Lorence, and Gene

          I just now went to a 215/70R15, with original 7" rims. Work perfect. I was originally concerned about the 225 size, which may (or may not) work on other sharks. 225 may be the problem, as well as what Gene said, 7" rims. Tom #24014

          Comment

          • lorence

            #6
            Re: 225 too much?

            thanks gene and tom for info on wheel width i will sure check that. the goodyear dealer suggested the 60 series profile gt2s being less tall as a possible solution anyone have any thoughts on that? thanks again for the input

            Comment

            • lorence

              #7
              Re: 225 too much?

              thanks gene and tom for info on wheel width i will sure check that. the goodyear dealer suggested the 60 series profile gt2s being less tall as a possible solution anyone have any thoughts on that? thanks again for the input

              Comment

              • Joe L.
                Beyond Control Poster
                • February 1, 1988
                • 43193

                #8
                Re: 225 too much?

                lorence----

                I use Goodyear Eagle ST 245-60-R15s on my 69 for the street and they fit perfectly, with no rubbing or contact of any kind. Also, this size has a diameter almost identical to the original F70-15s, so speedometer calibration is not affected by the change.

                Although my 69 fender wells are identical to your 68's, I am using the 69-up 8" wheels, so that may represent an important difference in the comparison if you're using the 68 7" wheels.

                When using a 70-series radial, I recommend the 215-70-R15 size. This tire has a diameter very similar to the original F-70(26.89" vs 26.97" for the F-70)and a very similar tread width(6.6" vs 6.5" for the F-70). Section width is slightly less than the F-70(8.7" vs. 8.95" for the F-70).

                The 225-70-R15 tire size has a section width almost identical to the original(8.98" vs. 8.95"for the F-70). However, the tread width is .2" greater(6.7" vs 6.5") and, most importantly, the diameter is almost .5" greater(27.44" vs. 26.97").
                In Appreciation of John Hinckley

                Comment

                • Joe L.
                  Beyond Control Poster
                  • February 1, 1988
                  • 43193

                  #9
                  Re: 225 too much?

                  lorence----

                  I use Goodyear Eagle ST 245-60-R15s on my 69 for the street and they fit perfectly, with no rubbing or contact of any kind. Also, this size has a diameter almost identical to the original F70-15s, so speedometer calibration is not affected by the change.

                  Although my 69 fender wells are identical to your 68's, I am using the 69-up 8" wheels, so that may represent an important difference in the comparison if you're using the 68 7" wheels.

                  When using a 70-series radial, I recommend the 215-70-R15 size. This tire has a diameter very similar to the original F-70(26.89" vs 26.97" for the F-70)and a very similar tread width(6.6" vs 6.5" for the F-70). Section width is slightly less than the F-70(8.7" vs. 8.95" for the F-70).

                  The 225-70-R15 tire size has a section width almost identical to the original(8.98" vs. 8.95"for the F-70). However, the tread width is .2" greater(6.7" vs 6.5") and, most importantly, the diameter is almost .5" greater(27.44" vs. 26.97").
                  In Appreciation of John Hinckley

                  Comment

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