C-3 Rotors - NCRS Discussion Boards

C-3 Rotors

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  • John D.
    Expired
    • August 31, 2001
    • 280

    C-3 Rotors

    What is the range of allowabkle thickiness for a rotor on a 1968 C-3. I have been told you can turn them once, but at what thickness are they no longer any good? Is the front thickness different than the rears? I am especially interested in the front.

    Thanks, John
  • John M.
    Expired
    • January 1, 1998
    • 813

    #2
    Re: C-3 Rotors

    John, some rotors have the dimension cast on them but I believe both front and rear are 1.215" min for your car.

    Comment

    • David H.
      Extremely Frequent Poster
      • June 30, 2001
      • 1530

      #3
      Re: C-3 Rotors

      The same front/rear rotors are applicable for 1965-82 cars. My Chevrolet Corvette Shop Manual for my 1980 shows 1.230" as the minimum thickness AFTER refinishing.

      Replacement (discard) at 1.215". There should be a minimum thickness (wear dimension) cast into the disc itself.

      The rotor surfaces also need to be parallel and not vary in thickness over 0.0005".
      Judging Chairman Mid-Way USA (Kansas) Chapter

      Comment

      • Joe L.
        Beyond Control Poster
        • February 1, 1988
        • 43221

        #4
        Re: C-3 Rotors

        John and John-----

        Yes, all 1965-82 Corvette disc brake rotors, front and rear, have a DISCARD thickness of 1.215". The NEW thickness is 1.250".
        In Appreciation of John Hinckley

        Comment

        • John D.
          Expired
          • August 31, 2001
          • 280

          #5
          Thanks For the help!!! *NM*

          Comment

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