Ebay repro RC-15 radiator cap - NCRS Discussion Boards

Ebay repro RC-15 radiator cap

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  • Patrick H.
    Beyond Control Poster
    • December 1, 1989
    • 11608

    Ebay repro RC-15 radiator cap

    With the discussions below about caps, I thought that I would give out a tip for those "hot" to buy a radiator cap.

    For an example of a repro, see the link below. It's available for $36.75 or less from Corvette parts suppliers. You could (and should?) read my article from last Winter's Restorer if you need an RC-15, but note the too-small center depression, incorrect rivet shape, incorrect arrow and other small nuances.

    Just trying to help educate when possible.

    Patrick




    Ebay repro RC-15
    Vice-Chairman (West), Michigan Chapter NCRS
    71 "deer modified" coupe
    72 5-Star Bowtie / Duntov coupe. https://www.flickr.com/photos/124695...57649252735124
    2008 coupe
    Available stickers: Engine suffix code, exhaust tips & mufflers, shocks, AIR diverter valve broadcast code.
  • KEN BUTCHER

    #2
    Re: Ebay repro RC-15 radiator cap

    Hey Patrick do you have a picture of an original RC-15 rad cap so I can see the difference.
    Thanks, Ken.

    Comment

    • Terry M.
      Beyond Control Poster
      • September 30, 1980
      • 15573

      #3
      Re: Ebay repro RC-15 radiator cap

      Patrick's story in The Restorer included just the photo you are asking for.
      Terry

      Comment

      • KEN BUTCHER

        #4
        Re: Ebay repro RC-15 radiator cap

        .I just saw an original RC-15 cap yesterday and they don't have any arrows on them.

        Comment

        • Verne Frantz

          #5
          Re: Ebay repro RC-15 radiator cap

          Patrick,
          Would you be kind enough to help date this original cap. The scan makes the contours appear reversed, but hopefully you can date it by the graphics and logos.
          Thanks
          Verne




          Attached Files

          Comment

          • Patrick H.
            Beyond Control Poster
            • December 1, 1989
            • 11608

            #6
            Re: Ebay repro RC-15 radiator cap

            Show us a picture.
            Vice-Chairman (West), Michigan Chapter NCRS
            71 "deer modified" coupe
            72 5-Star Bowtie / Duntov coupe. https://www.flickr.com/photos/124695...57649252735124
            2008 coupe
            Available stickers: Engine suffix code, exhaust tips & mufflers, shocks, AIR diverter valve broadcast code.

            Comment

            • Patrick H.
              Beyond Control Poster
              • December 1, 1989
              • 11608

              #7
              Re: Ebay repro RC-15 radiator cap

              Verne,

              57-62 passenger car style.
              Either that's a bad picture of the center rivet, or it's a little funky.

              FYI, this style is in the article too....

              Patrick
              Vice-Chairman (West), Michigan Chapter NCRS
              71 "deer modified" coupe
              72 5-Star Bowtie / Duntov coupe. https://www.flickr.com/photos/124695...57649252735124
              2008 coupe
              Available stickers: Engine suffix code, exhaust tips & mufflers, shocks, AIR diverter valve broadcast code.

              Comment

              • Verne Frantz

                #8
                Re: Ebay repro RC-15 radiator cap

                Thank you sir. The only passenger cars of that era with a 15# cap were the ones with A/C. I don't understand why a radiator cap would be different for Passenger & Corvette. Maybe the neck design on the tank?

                I apologize for the picture. I just laid it on my printer/scanner and that's the way it turned out. The rivet appears to be brass and it is definitely concave in the center.

                I hope I saved that issue of the Restorer so I can review your article.
                Thanks
                Verne

                Comment

                • Patrick H.
                  Beyond Control Poster
                  • December 1, 1989
                  • 11608

                  #9
                  Re: Ebay repro RC-15 radiator cap

                  "I don't understand why a radiator cap would be different for Passenger & Corvette."

                  They weren't. But the Corvette didn't use the RC-15 until years later, so this design was ALWAYS on a passenger car.



                  Patrick
                  Vice-Chairman (West), Michigan Chapter NCRS
                  71 "deer modified" coupe
                  72 5-Star Bowtie / Duntov coupe. https://www.flickr.com/photos/124695...57649252735124
                  2008 coupe
                  Available stickers: Engine suffix code, exhaust tips & mufflers, shocks, AIR diverter valve broadcast code.

                  Comment

                  • Verne Frantz

                    #10
                    Re: Ebay repro RC-15 radiator cap

                    "Aaaaah Haaaah", said the blind man as he picked up his hammer and saw.

                    thanks!

                    Comment

                    • KEN BUTCHER

                      #11
                      Re: Ebay repro RC-15 radiator cap

                      Hey Patrick, I wish I could show you a picture but the cap I saw was on a 1968 small block, low HP just the other day.

                      Comment

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