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ti distrib and vac advance

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  • kelly theaker

    ti distrib and vac advance

    working with a friend he offered me a distrib he bought and is new with a band stating 1111267 and a vac advance 400-15 . the vac advance on mine started with 2- i believe it was 207-15 and the band i am uncertain. will the curve on this distrib meet with the needs of the 69 bb 435? and will the vac act the same . i could not find any #s in my books or from D. fiedlers ?
  • Wayne M.
    Expired
    • March 1, 1980
    • 6414

    #2
    Re: ti distrib and vac advance

    Kelly -- you have an NOS '67 Camaro Z28 distrib (read all about it in the link below). It may be worth more to that crowd than in your Corvette. It also has the correct "400" vac advance.

    Here are the spec's from Delco DR-324S-2 values are in DISTRIBUTOR rotation speed and DISTRIB degrees of advance (multiply by 2 for engine RPM and CRANK degrees): Centrifugal -- Distrib start 500/0-2.5; 788/7-9.5; 812/7.5-9.5; 2000/12-14; 3000/10.6-14

    The "400" vac advance (GM part # 1968861) needs 9-11"Hg to start advance; 16.5-17.5 for max. adv. = 8 degrees max DISTR. advance (x 2 for crank).




    scroll down to mag pulse distribs

    Comment

    • Wayne M.
      Expired
      • March 1, 1980
      • 6414

      #3
      Re: ti distrib and vac advance

      Kelly -- you have an NOS '67 Camaro Z28 distrib (read all about it in the link below). It may be worth more to that crowd than in your Corvette. It also has the correct "400" vac advance.

      Here are the spec's from Delco DR-324S-2 values are in DISTRIBUTOR rotation speed and DISTRIB degrees of advance (multiply by 2 for engine RPM and CRANK degrees): Centrifugal -- Distrib start 500/0-2.5; 788/7-9.5; 812/7.5-9.5; 2000/12-14; 3000/10.6-14

      The "400" vac advance (GM part # 1968861) needs 9-11"Hg to start advance; 16.5-17.5 for max. adv. = 8 degrees max DISTR. advance (x 2 for crank).




      scroll down to mag pulse distribs

      Comment

      • Joe L.
        Beyond Control Poster
        • February 1, 1988
        • 43193

        #4
        Re: ti distrib and vac advance

        kelly-----

        GM #1111267 is a distributor originally used for 1968 Camaros with 302 (i.e. Z-28) with TI and tach drive distributors. It used a GM #1968861 vacuum control which was stamped '400' rather than '861' which would be the normal system.

        This distributor does not have the same advance characteristics as an L-71 distributor, but it will be fairly close and it will work ok in your application. It could be easily re-curved to be the same as the L-71.

        I would think that this, particular, distributor would be quite valuable to someone restoring a 1968 Camaro Z-28 that originally used it.
        In Appreciation of John Hinckley

        Comment

        • Joe L.
          Beyond Control Poster
          • February 1, 1988
          • 43193

          #5
          Re: ti distrib and vac advance

          kelly-----

          GM #1111267 is a distributor originally used for 1968 Camaros with 302 (i.e. Z-28) with TI and tach drive distributors. It used a GM #1968861 vacuum control which was stamped '400' rather than '861' which would be the normal system.

          This distributor does not have the same advance characteristics as an L-71 distributor, but it will be fairly close and it will work ok in your application. It could be easily re-curved to be the same as the L-71.

          I would think that this, particular, distributor would be quite valuable to someone restoring a 1968 Camaro Z-28 that originally used it.
          In Appreciation of John Hinckley

          Comment

          • kelly theaker

            #6
            Re: ti distrib and vac advance

            thanks for the input, education.

            Comment

            • kelly theaker

              #7
              Re: ti distrib and vac advance

              thanks for the input, education.

              Comment

              • John H.
                Beyond Control Poster
                • December 1, 1997
                • 16513

                #8
                Re: ti distrib and vac advance

                Joe, the 1111267 distributor may be listed as a service part for some reason, but no '67-'68 Camaro, Z/28 or otherwise, was ever built with either a mechanical tachometer or with transistor ignition; they all had electronic tachometers and single-point ignition.

                Comment

                • John H.
                  Beyond Control Poster
                  • December 1, 1997
                  • 16513

                  #9
                  Re: ti distrib and vac advance

                  Joe, the 1111267 distributor may be listed as a service part for some reason, but no '67-'68 Camaro, Z/28 or otherwise, was ever built with either a mechanical tachometer or with transistor ignition; they all had electronic tachometers and single-point ignition.

                  Comment

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

                    #10
                    Re: ti distrib and vac advance

                    The 1111267 distributor was an over the counter universal TI distributor with a tach drive. Virtually every NASCAR team that ran Chevrolet engines used this distributor before the advent of the speciality manufacturers such as MSD started making them. In the area that I live in they used to be very plentiful used. Only listing that I have ever seen for them was in the early editions of the Chevrolet Power books
                    Dick Whittington

                    Comment

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

                      #11
                      Re: ti distrib and vac advance

                      The 1111267 distributor was an over the counter universal TI distributor with a tach drive. Virtually every NASCAR team that ran Chevrolet engines used this distributor before the advent of the speciality manufacturers such as MSD started making them. In the area that I live in they used to be very plentiful used. Only listing that I have ever seen for them was in the early editions of the Chevrolet Power books
                      Dick Whittington

                      Comment

                      • Joe L.
                        Beyond Control Poster
                        • February 1, 1988
                        • 43193

                        #12
                        Re: ti distrib and vac advance

                        John-----

                        To be honest, I didn't think that any Camaros had tach drive distributors, either. However, that's the only application that I found for the 1111267 distributor. It's likely that that it's an incorrect application, though.

                        One small caveat, though: way back in the old days a friend of mine was really into Z-28 Camaros. He was also the salesman that sold me my 66 and 68 Chevelle SS396s and my 1969 Corvette. Since he was the "head honcho" of Z-28 sales at the dealership (and, also in northern California), he got a new Z-28 "demonstrator" 2 or 3 times a year (or, as often as his got sold). Way back in my memory (just a trace, by now) I recollect him discussing with me something about a tach drive distributor for Camaros. However, it's possible that it was some sort of GM over-the-counter type of package. Maybe even a steering column mounted tachometer.

                        Frank had 67, 68, and 69 Camaro Z-28s. In fact, he was the guy that first told me about the 1967 Z-28 and, the next thing I knew, he had one.

                        Frank did have some over-the counter GM pieces on his Camaros. One that I well recall was the "cross ram" 2 X 4 set-up.

                        I used to hate to ride with Frank, though. He would really "thrash" the cars (after all, they weren't his and potential customers liked to see what the cars would do) and that that was alright with me. However, you see, Frank was sort of a "cheapskate" and he never had very much gas in the cars. That's because he never knew when one of the them would get "sold right out from under him", so he didn't want to have a lot of HIS gas in a car that got sold (the dealership gave him personal use of the car but they didn't pay for gas). As a result, whenever you got in the car with Frank, the gauge was always on "empty"; he'd put in 1 or 2 dollars worth of gas at a time (gas was 35 cents a gallon, then, of course). Being in a Z-28 with a guy banging through the gears and the gas gauge buried on "empty" was not something I liked very much.
                        In Appreciation of John Hinckley

                        Comment

                        • Joe L.
                          Beyond Control Poster
                          • February 1, 1988
                          • 43193

                          #13
                          Re: ti distrib and vac advance

                          John-----

                          To be honest, I didn't think that any Camaros had tach drive distributors, either. However, that's the only application that I found for the 1111267 distributor. It's likely that that it's an incorrect application, though.

                          One small caveat, though: way back in the old days a friend of mine was really into Z-28 Camaros. He was also the salesman that sold me my 66 and 68 Chevelle SS396s and my 1969 Corvette. Since he was the "head honcho" of Z-28 sales at the dealership (and, also in northern California), he got a new Z-28 "demonstrator" 2 or 3 times a year (or, as often as his got sold). Way back in my memory (just a trace, by now) I recollect him discussing with me something about a tach drive distributor for Camaros. However, it's possible that it was some sort of GM over-the-counter type of package. Maybe even a steering column mounted tachometer.

                          Frank had 67, 68, and 69 Camaro Z-28s. In fact, he was the guy that first told me about the 1967 Z-28 and, the next thing I knew, he had one.

                          Frank did have some over-the counter GM pieces on his Camaros. One that I well recall was the "cross ram" 2 X 4 set-up.

                          I used to hate to ride with Frank, though. He would really "thrash" the cars (after all, they weren't his and potential customers liked to see what the cars would do) and that that was alright with me. However, you see, Frank was sort of a "cheapskate" and he never had very much gas in the cars. That's because he never knew when one of the them would get "sold right out from under him", so he didn't want to have a lot of HIS gas in a car that got sold (the dealership gave him personal use of the car but they didn't pay for gas). As a result, whenever you got in the car with Frank, the gauge was always on "empty"; he'd put in 1 or 2 dollars worth of gas at a time (gas was 35 cents a gallon, then, of course). Being in a Z-28 with a guy banging through the gears and the gas gauge buried on "empty" was not something I liked very much.
                          In Appreciation of John Hinckley

                          Comment

                          • Clem Z.
                            Expired
                            • January 1, 2006
                            • 9427

                            #14
                            Re: ti distrib and vac advance

                            it was part of the "kit" GM sold for Z-28 trans am racing,cross ram intake,headers etc that was required to be sold by GM to make the parts legal for SCCA racing. it is listed in my performance parts list from back then

                            Comment

                            • Clem Z.
                              Expired
                              • January 1, 2006
                              • 9427

                              #15
                              Re: ti distrib and vac advance

                              it was part of the "kit" GM sold for Z-28 trans am racing,cross ram intake,headers etc that was required to be sold by GM to make the parts legal for SCCA racing. it is listed in my performance parts list from back then

                              Comment

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