Silly question of the night - NCRS Discussion Boards

Silly question of the night

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  • Tom L.
    Expired
    • May 7, 2007
    • 438

    Silly question of the night

    I just bought a new set of rotors for a 1970. Two boxes are marked front and two rear, yet I can't tell any difference between them. Other than a different, non-GM, part number, the fronts and rears are identical. Are they supposed to be different? Thanks.
  • Dick W.
    Former NCRS Director Region IV
    • June 30, 1985
    • 10483

    #2
    Re: Silly question of the night

    The inside of the rear rotors are machined for the parking brake drum. Some times both front and rear rotors that are purchased in the aftermarket are machined.
    Dick Whittington

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    • Michael W.
      Expired
      • April 1, 1997
      • 4290

      #3
      Re: Silly question of the night

      Rears must have the access holes to be able to adjust the parking brake. If all four of yours have them, then I'm stumped.

      Comment

      • Tom L.
        Expired
        • May 7, 2007
        • 438

        #4
        Re: Silly question of the night

        That's it. The extra holes are only in the back. I was looking right at them and missed them. Incidently, both front and back were machined inside. Thanks guys.

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