1971: Original Carb or New Carb? - NCRS Discussion Boards

1971: Original Carb or New Carb?

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  • Greg F.
    Expired
    • February 21, 2007
    • 253

    1971: Original Carb or New Carb?

    Yesterday I posted a message regarding my 71 original small block needing valve seals and carb question. I received great advice/direction.

    I believe my original carb needs rebuilt as well. This leads to my next question:

    I have the original carb. My car is a nice driver and it is very original. I'll put about 3k miles per year on it. I plan to have the car judged at the end of this year or next year, starting with at local meet. Should I buy a replacement carb to have while preserving the original carb while driving it? I don't want to get to a point where the original is "shot". Any advice or opinions is appreciated.

    Thanks,
    Greg
  • Dick W.
    Former NCRS Director Region IV
    • June 30, 1985
    • 10483

    #2
    Re: 1971: Original Carb or New Carb?

    The quadrajets were pretty reliable carbs. I do not believe that 3k a year is going to add much wear and tear on it. If it runs good with no problems with that carb, just leave it
    Dick Whittington

    Comment

    • Dick W.
      Former NCRS Director Region IV
      • June 30, 1985
      • 10483

      #3
      Re: 1971: Original Carb or New Carb?

      The quadrajets were pretty reliable carbs. I do not believe that 3k a year is going to add much wear and tear on it. If it runs good with no problems with that carb, just leave it
      Dick Whittington

      Comment

      • Michael W.
        Expired
        • April 1, 1997
        • 4290

        #4
        Re: 1971: Original Carb or New Carb?

        My Quadrajet has over 130,000 miles on it and is still going strong. The only sign of wear is slight fore-aft play on the primary shaft. I might get it fixed when it hits 150,000 miles.

        Comment

        • Michael W.
          Expired
          • April 1, 1997
          • 4290

          #5
          Re: 1971: Original Carb or New Carb?

          My Quadrajet has over 130,000 miles on it and is still going strong. The only sign of wear is slight fore-aft play on the primary shaft. I might get it fixed when it hits 150,000 miles.

          Comment

          • Gerard Q.
            Very Frequent User
            • February 1, 2000
            • 284

            #6
            Re: 1971: Original Carb or New Carb?

            If your looking to have your carb rebuilt/restored I can recommend these folks.

            http://customrebuiltcarbs.com/index.shtml

            Comment

            • Gerard Q.
              Very Frequent User
              • February 1, 2000
              • 284

              #7
              Re: 1971: Original Carb or New Carb?

              If your looking to have your carb rebuilt/restored I can recommend these folks.

              http://customrebuiltcarbs.com/index.shtml

              Comment

              • Greg F.
                Expired
                • February 21, 2007
                • 253

                #8
                Thnxs - I LOVE the NCRS site for this kind of help *NM*

                Comment

                • Greg F.
                  Expired
                  • February 21, 2007
                  • 253

                  #9
                  Thnxs - I LOVE the NCRS site for this kind of help *NM*

                  Comment

                  • Joe L.
                    Beyond Control Poster
                    • February 1, 1988
                    • 43221

                    #10
                    Re: 1971: Original Carb or New Carb?

                    Greg-----

                    Rebuild it yourself or have it professionally rebuilt. All you need is a carburetor kit, a new float, and some JB Weld for sealing the spun-in plugs on the bottom of the float bowl. However, if there's any wear of the threads for the inlet fitting (the threads in the carb float bowl into which the inlet fitting threads), then definitely send it out for heli-coil repair of these threads and, while you're at it, rebuild of the carb.

                    With the use of today's unleaded gas, carburetors can be almost "immortal".
                    In Appreciation of John Hinckley

                    Comment

                    • Joe L.
                      Beyond Control Poster
                      • February 1, 1988
                      • 43221

                      #11
                      Re: 1971: Original Carb or New Carb?

                      Greg-----

                      Rebuild it yourself or have it professionally rebuilt. All you need is a carburetor kit, a new float, and some JB Weld for sealing the spun-in plugs on the bottom of the float bowl. However, if there's any wear of the threads for the inlet fitting (the threads in the carb float bowl into which the inlet fitting threads), then definitely send it out for heli-coil repair of these threads and, while you're at it, rebuild of the carb.

                      With the use of today's unleaded gas, carburetors can be almost "immortal".
                      In Appreciation of John Hinckley

                      Comment

                      • Patrick H.
                        Beyond Control Poster
                        • December 1, 1989
                        • 11643

                        #12
                        Re: 1971: Original Carb or New Carb?

                        I used Custom Rebuilt Carbs for two Quadrajest early last year. I was not as happy with their service - especially after the sale - as I expected to be. They never did resolve an issue or two and would not return calls or e-mail.

                        My Quadrajets previously restored by Jerry Luck were nicer and had less issues afterwards, but the year long wait for him is not fun.

                        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

                        • Patrick H.
                          Beyond Control Poster
                          • December 1, 1989
                          • 11643

                          #13
                          Re: 1971: Original Carb or New Carb?

                          I used Custom Rebuilt Carbs for two Quadrajest early last year. I was not as happy with their service - especially after the sale - as I expected to be. They never did resolve an issue or two and would not return calls or e-mail.

                          My Quadrajets previously restored by Jerry Luck were nicer and had less issues afterwards, but the year long wait for him is not fun.

                          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

                          • Bill E.
                            Expired
                            • April 1, 2003
                            • 200

                            #14
                            Re: 1971: Original Carb or New Carb?

                            I too am having problems with my Q-Jet. Runs great until warmed up then bogs down going away from a stop and sometimes dies when taking off after a few minutes at idle. Had the carb rebuilt at local speed shop with no improvement. Folks on the Corvette Forum keep talking about "Lars" as the best around. Anybody here know about him? Bill

                            Comment

                            • Bill E.
                              Expired
                              • April 1, 2003
                              • 200

                              #15
                              Re: 1971: Original Carb or New Carb?

                              I too am having problems with my Q-Jet. Runs great until warmed up then bogs down going away from a stop and sometimes dies when taking off after a few minutes at idle. Had the carb rebuilt at local speed shop with no improvement. Folks on the Corvette Forum keep talking about "Lars" as the best around. Anybody here know about him? Bill

                              Comment

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