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63 Fan Clutch

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  • Joe S.
    Expired
    • July 31, 1999
    • 319
    #1

    63 Fan Clutch

    According to the judging guide there were a couple different fan clutches used in 63. Mine has the "Alternate Clutch Design" I believe. The face is not stamped with "CJ" as is typical. The shaft length is correct at 1.8".

    The markings are FC-06 on one side and L7DA on the other. BEfore sending to be correctly refinished. AM I dealing with the real thing here?

    As always and in advance, thanks,

    Joe..




    Joe's 63 FI Convertible
    Tags: None
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    • Mike M.
      NCRS Past President
      • May 31, 1974
      • 8365
      #2
      Re: 63 Fan Clutch

      joe; so far what your pic shows is cool; let us have a look at the shaft(side view) and a view of the finned surface of the main body. also the 4 holes used to attach the fan clutch to the h20 pump.mike
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        • Joe L.
          Beyond Control Poster
          • February 1, 1988
          • 43193
          #3
          Re: 63 Fan Clutch

          Joe-----

          This unit looks like an Eaton or Delco manufactured clutch and, generally, it looks correct to me. However, as Mike mentioned, seeing the rear of it would provide a lot of additional information.

          The "FC-06" stamped on it wories me a bit. That's more like aftermarket nomenclature for fan clutches. I don't think that was ever used on original fan clutches, but it's possible that it was used on Delco-manufactured original clutches (which were actually quite uncommon).
          In Appreciation of John Hinckley
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            • Joe S.
              Expired
              • July 31, 1999
              • 319
              #4
              Re: 63 Fan Clutch

              Backside of Fan clutch showing the curved ribs and shaft.




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                • Joe L.
                  Beyond Control Poster
                  • February 1, 1988
                  • 43193
                  #5
                  Re: 63 Fan Clutch

                  Joe-----

                  Well, it's got all of the "facets of identification" that would ID it as an original-TYPE clutch. I think that it's definitely an Eaton-manufactured unit based upon what I see, front and rear. That "FC-06" still worries me, though. It's possible that it's an original-type unit used as a replacement many years ago. Once-upon-a-time Eaton used to sell their product through aftermarket channels and even under the brand names of "notoriously aftermarket" brands like Hayden, Cool-Aire, and the "house brands" of places like Grand Auto, Kragen, etc. In fact, many years ago I purchased an Eaton-manufactured unit identical to the GM #343721 in a Hayden box at Grand Auto. At the time, these units were selling for about $200 from GM and I paid about $25 for it. It was ABSOLUTELY IDENTICAL to the GM-boxed Eaton unit.

                  Perhaps, Fred Oliva could ID it. You'd likely send it to him for rebuild, anyway. If he says that it's non-original, then you could decide whether or not that you want to have him rebuild it. Also, although it might not be original for your application, that does not mean that it's not a valuable core. It IS an original-type unit and, as they say, "...one man's trash is another man's treasure..."
                  In Appreciation of John Hinckley
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                    • Joe S.
                      Expired
                      • July 31, 1999
                      • 319
                      #6
                      Re: 63 Fan Clutch

                      Joe,

                      Thanks (again) as always for the info. I did leave a message at Fred Oliva's today but didn't hear back. Will have to try again. In the meantime been taking the time to figure out best approach with "loose ends". Those items that I'm not 100% sure about.

                      Joe..




                      Joe's 63 FI Convertible
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                        • Jack H.
                          Extremely Frequent Poster
                          • April 1, 1990
                          • 9906
                          #7
                          Re: 63 Fan Clutch

                          Fred Oliva is drinking from a 'fire hose' these days trying to keep up with the demands of his new job AND run Vintage Automotive Research in his 'spare' time. We need to bear with him as he comes down the learning curve; expect some delays + Fred's absense from giving advice on this Board....

                          As I look at the picture of the fan clutch, I see a correct Eaton coil unit BUT made in service replacement format from a much later time frame from those used in '63. Why?

                          Look at the front face. See the two fluid reservior out-dents radiating from the inside toward the outer edge of the face? They have a trapesoidal shape instead of the essentially 'squared' or rectangular shape that was characteristic of the Eaton clutch used in the mid-year era. I don't think I'd spend money trying to restore this clutch for a '63 factory concours application, sorry....
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                            • Joe S.
                              Expired
                              • July 31, 1999
                              • 319
                              #8
                              Re: 63 Fan Clutch

                              Jack, you hit the nail on the head. In discussing with Fred on the phone today (and yes, he is VERY Busy) he also stated that it looks like something from Eaton around late 0's or early 80's. MAy still be a good candidate for another application, but unfortunately (very!) not my 63. We've worked something out though.

                              Thanks again to everyone.

                              "So close, yet so far" (is how this has been going - luckily I'm enjoying this though and the learning experience is tremendous, if not expensive ;-)




                              Joe's 63 FI Convertible
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