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1957 FI units

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

    1957 FI units

    Does anyone have information concerning the introduction dates of the 4 different fuel units used in 57 Corvettes? Also was all inventory of each model used up prior to the introduction of the next model?
    The units are 7014360, 7014520, 7014800 and 7014960.
    Thanks,
    Bruce B
  • James G.
    Extremely Frequent Poster
    • May 31, 1976
    • 1556

    #2
    Re: 1957 FI units

    KEN KAYSER'S BOOK

    ''THE HISTORY OF GM'S RAM JET FUEL INJECTION ON THE CHEVROLET V-8 AND ITS CORVETTE RACING PEDIGREE''

    HAS EXCELLENT TABLES TO ANSWER YOUR QUESTION.

    BRIAN FUTO said years ago,.....but BOTH don't totally agree

    Rochester Products Production Summary
    (4360) 12 in 10/56, 66 in 11 /56, 68in 12/56, 187 in 1/57, 269in 2/57
    (4520 10 in -2/57 439 in 3/57 606 in 4/7
    (4800): 416 in 5/57, 358 in 6/7 407 in 7/7 , 442 in 8/57
    (4960) 200 in 6/57, 126 in 7/57
    note an additional 131- 4800 units are marked 'S' (service)
    --- 4/22/57 Chevrolet Inter Office letter states. "A new unit 7014800 is now released for passenger car usage only if the calibration proves to be satisfactory it will be released for both mechanical and hydraulic camshaft engines"
    • 4/13/57 Chevrolet Inter Office Memo to Regional Service Managers "Fuel Injection unit 7014800 is made available in limited quantities (8 per region) etc. etc.

    Over 80 Corvettes of fun ! Love Rochester Fuel Injection 57-65 cars. Love CORVETTE RACE CARS
    Co-Founder REGISTRY OF CORVETTE RACE CARS.COM

    Comment

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

      #3
      Re: 1957 FI units

      Jim,
      Thanks for the info.
      I have 2 of Kens FI books and forgot to look for the info in them.
      Bruce B

      Comment

      • Gary C.
        Administrator
        • October 1, 1982
        • 17652

        #4
        Re: 1957 FI units

        Bruce,

        Keep in mind there are no "absolute" records. There are Rochester records of units produced. Some Engineering and Service letters as Jim has shown. But there is no exact Flint list of FI unit installation. Ken compiled and reconciles all of the records he could find and developed the charts that are in his book. Ken's information is as good as it gets on FI unit installations, but it's not absolute. Ken's data coupled with known original engine combinations and the Engineer/Service letters is all the data there is.

        Gary
        ....
        NCRS Texas Chapter
        https://www.ncrstexas.org/

        https://www.facebook.com/profile.php?id=61565408483631

        Comment

        • John D.
          Extremely Frequent Poster
          • December 1, 1979
          • 5507

          #5
          Re: 1957 FI units

          Many Years ago Frank Sciabica of RP said to me. The trouble with you NCRS guys and you especially JD is you expect the '57's went off the line ABC and were installed on the cars like that. He said that RP was grasping for straws as they had so many failures.
          But in the interest of restoring our cars it is nice to have something to go by until we are proven incorrect.
          Frank said record keeping was poor at best. He did not agree with the 1975 info from Jon Blanchett.
          One can imagine how much of a nightmare it was at RP and St. Louis in the old days.
          Meanwhile Ken Kayser did a wonderful job compiling the info that was available to him. I have a signed hard copy of his book and a soft copy that I read and abuse. John

          Comment

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

            #6
            Re: 1957 FI units

            Gary,
            Thanks for the info.
            Bruce B


            Originally posted by Gary Chesnut (5895)
            Bruce,

            Keep in mind there are no "absolute" records. There are Rochester records of units produced. Some Engineering and Service letters as Jim has shown. But there is no exact Flint list of FI unit installation. Ken compiled and reconciles all of the records he could find and developed the charts that are in his book. Ken's information is as good as it gets on FI unit installations, but it's not absolute. Ken's data coupled with known original engine combinations and the Engineer/Service letters is all the data there is.

            Gary
            ....

            Comment

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

              #7
              Re: 1957 FI units

              John,
              When I was thinking about my 4360, POC according to JD, my curiosity about when the other units were introduced came to mind.
              I think one of the things that sort of screws up the order of serial numbers on cars is the fact that many units were replaced and I would imagine that some 4360s (and others) were replaced with the next design unit.
              I also have 2 of Kens books, one hardcover and 1 soft cover which looks worn out due to lots of use.
              My 4360 unit sn 136 is pictured in the book.
              I was recently contacted by someone who wanted to buy a hardcover copy, the asking prices he told me about are very high. Mine is not for sale, at least right now.
              Bruce B

              Comment

              • James G.
                Extremely Frequent Poster
                • May 31, 1976
                • 1556

                #8
                Re: 1957 FI units

                Originally posted by Bruce Bursten (27670)
                John,
                When I was thinking about my 4360, POC according to JD, my curiosity about when the other units were introduced came to mind.
                I think one of the things that sort of screws up the order of serial numbers on cars is the fact that many units were replaced and I would imagine that some 4360s (and others) were replaced with the next design unit.
                I also have 2 of Kens books, one hardcover and 1 soft cover which looks worn out due to lots of use.
                My 4360 unit sn 136 is pictured in the book.
                I was recently contacted by someone who wanted to buy a hardcover copy, the asking prices he told me about are very high. Mine is not for sale, at least right now.
                Bruce B
                That make three of us with both books. My HARDCOVER is NOS. I have only opened the front cover read Ken's signature and note to me.
                Over 80 Corvettes of fun ! Love Rochester Fuel Injection 57-65 cars. Love CORVETTE RACE CARS
                Co-Founder REGISTRY OF CORVETTE RACE CARS.COM

                Comment

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

                  #9
                  Re: 1957 FI units

                  Jim,
                  My hardcover copy is original as opposed to NOS.
                  You know some of the NOS stuff is replacement as opposed to factory original.
                  Just kidding....

                  Comment

                  • James G.
                    Extremely Frequent Poster
                    • May 31, 1976
                    • 1556

                    #10
                    Re: 1957 FI units

                    Originally posted by bruce bursten (27670)
                    jim,
                    my hardcover copy is original as opposed to nos.
                    You know some of the nos stuff is replacement as opposed to factory original.
                    Just kidding....
                    ok.......''original, bowtie-survivor new''.............
                    Over 80 Corvettes of fun ! Love Rochester Fuel Injection 57-65 cars. Love CORVETTE RACE CARS
                    Co-Founder REGISTRY OF CORVETTE RACE CARS.COM

                    Comment

                    • John D.
                      Extremely Frequent Poster
                      • December 1, 1979
                      • 5507

                      #11
                      Re: 1957 FI units

                      My NOS hardcover book is #65. I signed my name in it. Not long after I bought it from Ken someone called me from Canada and wanted to swap me books as he wanted #65.
                      Originally I believe Ken was only going to print a limited number of the hardcover books. But that is not the case.
                      I haven't read the whole book but have scanned it numerous times. JD

                      Comment

                      • Gary C.
                        Administrator
                        • October 1, 1982
                        • 17652

                        #12
                        Re: 1957 FI units

                        JD,

                        IIRC Ken only produced 100 hard back books. Can't recall how many of the softback.

                        Gary
                        ....
                        NCRS Texas Chapter
                        https://www.ncrstexas.org/

                        https://www.facebook.com/profile.php?id=61565408483631

                        Comment

                        • John D.
                          Extremely Frequent Poster
                          • December 1, 1979
                          • 5507

                          #13
                          Re: 1957 FI units

                          Originally posted by Gary Chesnut (5895)
                          JD,

                          IIRC Ken only produced 100 hard back books. Can't recall how many of the softback.

                          Gary
                          ....
                          Hi Gary, Ken had another run of the hard back books printed. Tachometer Press sells them for $250.00 each. The soft cover is $85.00 each. John

                          Comment

                          • Gary C.
                            Administrator
                            • October 1, 1982
                            • 17652

                            #14
                            Re: 1957 FI units

                            JD, bad for us with the "edition limited to 100 printings". Gary....
                            NCRS Texas Chapter
                            https://www.ncrstexas.org/

                            https://www.facebook.com/profile.php?id=61565408483631

                            Comment

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

                              #15
                              Re: 1957 FI units

                              Originally posted by Gary Chesnut (5895)
                              JD, bad for us with the "edition limited to 100 printings". Gary....
                              Gary I tell people almost weekly, "if it was sold as a collectible, it probably will not be". I. E. Beanie Babies, NASCAR collectibles, etc. If they sell well, you can bet your sweet bippie that they will make more!
                              Dick Whittington

                              Comment

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