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1972 camshaft

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  • John W.
    Expired
    • February 1, 2006
    • 16

    1972 camshaft

    Want to replace the camshaft in my 1972 coupe with a 200 HP L48 motor. Overhaul manual only gives lift and not duration data. The part is discontinued with GM. Need specs to go back with original configuration.
  • Duke W.
    Beyond Control Poster
    • January 1, 1993
    • 15635

    #2
    Re: 1972 camshaft

    All base engines from '67 to '79 had the 3896929 camshaft/pin assembly. You can cross reference it to the Sealed Power OE replacement on the NAPA Web site and get the specs, which have been posted here many times.

    Duke

    Comment

    • Joe L.
      Beyond Control Poster
      • February 1, 1988
      • 43198

      #3
      Re: 1972 camshaft

      Originally posted by John Whitley (45327)
      Want to replace the camshaft in my 1972 coupe with a 200 HP L48 motor. Overhaul manual only gives lift and not duration data. The part is discontinued with GM. Need specs to go back with original configuration.
      John-----


      If you wish to use a genuine GM camshaft, you can still get one. Although the original GM #3896929 cam is discontinued, its replacement, GM #14060651, is still available. The difference in specs between this cam and the original is so slight that no one will ever know the difference. The problem is that this camshaft carries a GM list price of over 300 bucks. However, you can often purchase this camshaft as a crate engine "take-out" from GM dealers like Sallee (Gilbert) Chevrolet, Scoggins-Dickey, Burt Chevrolet, or Jim Pace. I've seen these cams sell for as little as $25. It's worth contacting them to check----a brand new GM cam for 25 bucks is a real deal.
      In Appreciation of John Hinckley

      Comment

      • Duke W.
        Beyond Control Poster
        • January 1, 1993
        • 15635

        #4
        Re: 1972 camshaft

        I know someone who bought one of those ...839 take-offs for ten bucks and it worked out fine, so if you can get one...

        Otherwise, the Sealed Power CS-274 is about 55 bucks from NAPA. About ten million of these cams were used as OE.

        Duke

        Comment

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