Re-skinning aluminum - NCRS Discussion Boards

Re-skinning aluminum

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  • Michael G.
    Extremely Frequent Poster
    • November 12, 2008
    • 2157

    Re-skinning aluminum

    Recently there have been several posts on this subject and "secret" methods used to accomplish it. This got me to thinking about a process used in aircraft to apply a very thin coating of aluminum, called ivadization, or ion vapor deposition ("IVD"). Many years ago I saw an ivadizer at work and it would seem that it could put a new layer of aluminum on an old part.

    I don't even know if its possible to do a valve cover or such, but is anyone aware of the use of this process to re-skin an old aluminum casting?
    Last edited by Michael G.; February 3, 2011, 11:16 PM.
    Mike




    1965 Black Ext / Silver Int. Coupe, L84 Duntov, French Lick, 2023 - Triple Diamond
    1965 Red Ext / White & Red Int. Conv. - 327/250 AC Regional Top Flight.
  • Peter J.
    Very Frequent User
    • September 30, 1994
    • 586

    #2
    Re: Re-skinning aluminum

    Michael,
    I had my valve covers and intake done my 66 L-79 done fifteen years ago by one of the then pioneers in the business, Don Dorfman from the long defunct ASL Co in Nevada. When I got the parts back they looked like brand new castings. Upon closer inspection I noticed the casting flaw in my valve covers was just about erased from view and wondered if this was a problem with today's "re-skinning" jobs.

    Comment

    • Gary B.
      Extremely Frequent Poster
      • February 1, 1997
      • 7019

      #3
      Re-skinning aluminum

      Peter,

      Don did my '66 L79 intake manifold 8 or 10 years ago and it came out great. John DeGregory did my '66 valve covers about 4 or 5 years ago and they came out great, with the casting flaw still prominent. Maybe Don and John have different methods. Or maybe it's just a question of how aggressive one is during some stage of the process and how much material is removed when cleaning up pre-existing surface problems (e.g., scratches) prior to finishing.

      Gary

      Comment

      • Peter J.
        Very Frequent User
        • September 30, 1994
        • 586

        #4
        Re: Re-skinning aluminum

        Gary,
        I was amazed at how well these parts looked very happy with the intake. I should have been more knowledgeable when I sent these parts of but I was new to the hobby and casting flaws didn't mean a whole lot to me then.
        Don was a great guy to do business with, I think a divorce did his business in and he moved to the Pacific North West from Nevada. Jerry McNish seems like an easy going, knowledgeable guy to deal with so that is who I will try next.
        Pete

        Comment

        • Gary B.
          Extremely Frequent Poster
          • February 1, 1997
          • 7019

          #5
          Re-skinning aluminum

          Peter,

          I know Jerry is a popular choice for intakes and exhaust manifolds.

          Personally, I would choose John DeGregory again if I had another set of finned valve covers that needed restoring. I already know his work and therefore I trust him.

          Gary

          Comment

          • Bruce B.
            Extremely Frequent Poster
            • May 31, 1996
            • 2930

            #6
            Re: Re-skinning aluminum

            I had John DeGregory do a set of 9 fins and they look great, I'm not sure how close to original but very nice. I think he send them out to someone who does the processing.
            Ken Kayser is now doing a process ,Parsonizing, on aluminum and I believe other metals. Aluminum valve covers look great as do the other parts I've seen.
            His website is kayserspeciality@aol.com

            Comment

            • Paul J.
              Expired
              • September 9, 2008
              • 2091

              #7
              Re: Re-skinning aluminum

              My valve covers were in sad shape when I sent them to John DeGregory. They came back looking new.

              Comment

              • Gary B.
                Extremely Frequent Poster
                • February 1, 1997
                • 7019

                #8
                Re-skinning aluminum

                Originally posted by Bruce Bursten (27670)
                I had John DeGregory do a set of 9 fins and they look great, I'm not sure how close to original but very nice. I think he send them out to someone who does the processing.
                Ken Kayser is now doing a process ,Parsonizing, on aluminum and I believe other metals. Aluminum valve covers look great as do the other parts I've seen.
                His website is kayserspeciality@aol.com
                Bruce,

                To the best of my knowledge, John DeGregory has someone who works directly for him who does the actually labor, so he doesn't send them out in the sense of using a sub-contractor.

                Gary

                Comment

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