Is this a correct 67 427/435 fan clutch? - NCRS Discussion Boards

Is this a correct 67 427/435 fan clutch?

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  • Robert M.
    Expired
    • April 30, 1999
    • 415

    Is this a correct 67 427/435 fan clutch?



    Expensive, but is this the correct clutch fot my 67 427/435?
  • Larry M.
    Extremely Frequent Poster
    • December 31, 1991
    • 2688

    #2
    Re: Is this a correct 67 427/435 fan clutch?

    Robert:

    Check out the new reproductions for America's Finest Corvettes. They also have a good description regarding shaft length and dating etc. Cost is significantly less. FWIW.

    Larry

    Comment

    • Ara G.
      Extremely Frequent Poster
      • January 30, 2008
      • 1108

      #3
      Re: Is this a correct 67 427/435 fan clutch?

      Rob, it may be. A shaft length of 1.5" was introduced in '66 for the Big Blocks, identified by a "CK" stamp on the face. ("CJ" for SB's). The Schwitzer brand (which that one is) are dated on the flange. Get the date. Also, there is HEAVY pitting the fins on the backside. I don't think it's worth money, even if it is a real clutch. I believe there is an NCRS guy who restores them for about 200 bucks, so go find a core and have it rebuilt for half the money. Also, there is another manufacturer that made clutches. Eaton made them as well as Schwitzer. Both are accepted for judging. They look different (coil on face instead if bar). Regards. ARA

      Comment

      • Robert M.
        Expired
        • April 30, 1999
        • 415

        #4
        Re: Is this a correct 67 427/435 fan clutch?

        Larry and Ara Thanks!

        Comment

        • Joe L.
          Beyond Control Poster
          • January 31, 1988
          • 43191

          #5
          Re: Is this a correct 67 427/435 fan clutch?

          Originally posted by Robert Margolies (32164)
          http://www.ebay.com/itm/Original-Res...#ht_1123wt_997

          Expensive, but is this the correct clutch fot my 67 427/435?

          Robert------



          The seller says this is a GM #3857531. However, the 3857531 was stamped "CT", not "CK". Of course, it could just mean the "restorer" used the wrong code (but, I wonder how many other things he got wrong, too).

          Second, this core is pretty rough. If it were me, I'd rather go with a NEW 3916141 or a reproduction and suffer whatever the point loss would be. I would not pay 10 bucks for this, particular piece.
          In Appreciation of John Hinckley

          Comment

          • Robert M.
            Expired
            • April 30, 1999
            • 415

            #6
            Re: Is this a correct 67 427/435 fan clutch?

            Originally posted by Joe Lucia (12484)
            Robert------



            The seller says this is a GM #3857531. However, the 3857531 was stamped "CT", not "CK". Of course, it could just mean the "restorer" used the wrong code (but, I wonder how many other things he got wrong, too).

            Second, this core is pretty rough. If it were me, I'd rather go with a NEW 3916141 or a reproduction and suffer whatever the point loss would be. I would not pay 10 bucks for this, particular piece.
            Joe
            As always! Thank you

            Comment

            • Joe L.
              Beyond Control Poster
              • January 31, 1988
              • 43191

              #7
              Re: Is this a correct 67 427/435 fan clutch?

              By the way, the seller of the fan clutch linked above is a fellow that I've known for a very long time. He used to be the co-owner of a Corvette parts shop which started out in Cupertino, CA way back about 1975. Then, they moved to Campbell, CA. Finally, they went out of the storefront Corvette parts business and went to mail order only with an operation way up in the Sierra foothills (he always said the mail-order guys were killing him so I guess he finally figured if you can't beat 'em, join 'em).

              When they were in Cupertino and Campbell, I bought quite a few parts from them. As a result of a happening that's too long and involved to tell here, it was actually this fellow that kicked my parts buying obsession into "high gear". I kind of made up my mind that I was going to have more parts not for sale than he had for sale. I'm not sure if I've succeeded, or not.
              In Appreciation of John Hinckley

              Comment

              • Stephen G.
                Very Frequent User
                • December 31, 2001
                • 303

                #8
                Re: Is this a correct 67 427/435 fan clutch?

                Rob

                The current restorers of fan clutches can make you up one any way you want. Also I just paid $ 50 for a Eaton BB core. Thats the max I would go. It's one for the shelf in case the one in the car starts failing I'll send it out for rebuild.

                Steve
                Steve Gansky
                Newtown, (Bucks County) PA

                Comment

                • Michael J.
                  Extremely Frequent Poster
                  • January 26, 2009
                  • 7070

                  #9
                  Re: Is this a correct 67 427/435 fan clutch?

                  The Eaton's are really the only way to go for a '67 BB fan clutch.
                  Big Tanks In the High Mountains of New Mexico

                  Comment

                  • Stephen G.
                    Very Frequent User
                    • December 31, 2001
                    • 303

                    #10
                    Re: Is this a correct 67 427/435 fan clutch?

                    The Eaton's are just better clutches.. New or rebuilt. BB or SB.
                    Steve Gansky
                    Newtown, (Bucks County) PA

                    Comment

                    • John D.
                      Very Frequent User
                      • June 30, 1991
                      • 874

                      #11
                      Re: Is this a correct 67 427/435 fan clutch?

                      The front cover on that clutch looks untouched, not sure how it was rebuilt. Usually you can see how the rolled over edge is recreated with liquid steel or epoxy...

                      Comment

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