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C2 Carb Help

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  • Frank C.
    Very Frequent User
    • August 31, 2003
    • 170
    #1

    C2 Carb Help

    I am getting my 1966 L79 coupe ready to drive this summer, and I need need to replace the carburetor. I need some help. I will give the background first: My engine stamp pad is stamped F0412HP, the cast date of the block is C316, and the AO Smith body build date is I 15. I checked one birthday calculator, and it guesses April 25, 1966 as the birthday.

    1. I understand the 6 month window preceeding the build dates for components. I have found two carburetors. One is a 643, and one is a 641.
    Will either of these work? Does anyone have advice on the best date range to select?

    2. Does anyone here have feedback on this ebay seller: ghostt from Islip NY?
    Error Page | eBay
    http://cgi.ebay.com/ebaymotors/1966-CORVETTE-327-300-350-HP-3367-HOLLEY-CARB-5A4-DATE-/190385248247?cmd=ViewItem&pt=Motors_Car_Truck_Parts_Accessories&hash=item2c53d857f7


    Thanks,

    Frank
    Frank Clark
    U.S. Army Retired, current serving DoD Civilian
    C1 1962 300hp, 4spd. Black/Fawn
    C2 1966 Coupe, L79, A01, C60, J50, M21, N40. Silver/Black
    C20 1966 Custom Camper, L30, J70, M49, N40, G60, Saddle/White
    C20 1966 Custom Camper, L30, M49, N40, G60, Saddle/White

    Tags: None
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    • Tony S.
      NCRS Vice President, Director Region VII & 10
      • April 30, 1981
      • 965
      #2
      Re: C2 Carb Help

      Frank, what's the build date of your car?
      Tony
      Region VII Director (serving members in Arkansas, Kansas, Louisiana, Missouri, Oklahoma and Texas).
      Original member of the Kansas City Chapter, est'd 07/11/1982.
      Member: 1965 and 1966 National Judging Teams
      Judging Chairman--Kansas City Chapter.
      Co-Editor of the 1965 TIM and JG, 6th and 7th editions.
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        • Tony S.
          NCRS Vice President, Director Region VII & 10
          • April 30, 1981
          • 965
          #3
          Re: C2 Carb Help

          ps. I see you list the "birthdate" as April 25, 1966. I would think the earlier dated carb would be a better choice: 641 (April, 1966, first week). If you get the later dated carb, there maybe some issues that the date is too close to your build date given the shipping issue. I think the 641 is perfect for your car.

          Tony
          Region VII Director (serving members in Arkansas, Kansas, Louisiana, Missouri, Oklahoma and Texas).
          Original member of the Kansas City Chapter, est'd 07/11/1982.
          Member: 1965 and 1966 National Judging Teams
          Judging Chairman--Kansas City Chapter.
          Co-Editor of the 1965 TIM and JG, 6th and 7th editions.
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            • Frank C.
              Very Frequent User
              • August 31, 2003
              • 170
              #4
              Re: C2 Carb Help

              Anthony,

              The body date is april 15. The one birthday calendar I checked said 25 April. Is there another date I should look for?

              Thanks,

              Frank
              Frank Clark
              U.S. Army Retired, current serving DoD Civilian
              C1 1962 300hp, 4spd. Black/Fawn
              C2 1966 Coupe, L79, A01, C60, J50, M21, N40. Silver/Black
              C20 1966 Custom Camper, L30, J70, M49, N40, G60, Saddle/White
              C20 1966 Custom Camper, L30, M49, N40, G60, Saddle/White

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                • Ronald L.
                  Extremely Frequent Poster
                  • October 18, 2009
                  • 3248
                  #5
                  Re: C2 Carb Help

                  Frank,

                  What is the VIN on your car?

                  With this large difference in body to trim it is an AO Smith body?
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                    • Ronald L.
                      Extremely Frequent Poster
                      • October 18, 2009
                      • 3248
                      #6
                      Re: C2 Carb Help

                      Frank check out this guys' process some of the rebuilders are painting the carbs to S_I_M_U_L_A_T_E the dichromate plate- UGLY- I'll look in my file I think I have a reference...
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                        • Frank C.
                          Very Frequent User
                          • August 31, 2003
                          • 170
                          #7
                          Re: C2 Carb Help

                          Ron,

                          My VIN is #VIN# 194376S120080
                          The body is AO Smith. In my previous post I added a link to an ebay add. Does this plating and finish look correct?

                          Thanks for the help.

                          Frank
                          Frank Clark
                          U.S. Army Retired, current serving DoD Civilian
                          C1 1962 300hp, 4spd. Black/Fawn
                          C2 1966 Coupe, L79, A01, C60, J50, M21, N40. Silver/Black
                          C20 1966 Custom Camper, L30, J70, M49, N40, G60, Saddle/White
                          C20 1966 Custom Camper, L30, M49, N40, G60, Saddle/White

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                            • Ronald L.
                              Extremely Frequent Poster
                              • October 18, 2009
                              • 3248
                              #8
                              Re: C2 Carb Help

                              Frank, I did look at that, looks like dichromate, paint it is muddy looking versus the metallic dichromate. You need to ask him to be sure as it could be a bad photo.

                              Also need to look very carefully at the numbers to be sure it was not a restamp from the late 80's that now has been restored after 30 years of ab-use.
                              Compare to other original carbs, compare fonts of the letters and numbers, they should all be exactly the same.

                              The link picked up a 1965 carb, that one is way too early...

                              The other thing is you do not see the stamp in his ad. If you get a picture, compare that to other carbs on the market.

                              Beware of the restampers...
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                                • Ronald L.
                                  Extremely Frequent Poster
                                  • October 18, 2009
                                  • 3248
                                  #9
                                  Re: C2 Carb Help

                                  For those interested in 1966 Holley carbs - this is a test, an OMG, or we'll just have fun with the stampers out there. Go to the flea and search: 3884505. There will be 8 results, of those 8 carbs, how many are fake, meaning they did not leave the Holley factory with that lettering stamped that way???
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