Awakening a 67 coupe - NCRS Discussion Boards

Awakening a 67 coupe

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  • Mike E.
    Extremely Frequent Poster
    • February 28, 1975
    • 5138

    Awakening a 67 coupe

    I'm helping with a 67 coupe that has been stored since 1989. No fuel in tank, fortunately. L79 4-speed, original motor, trans, diff. Was a TI car--amp is till in place, but distributor has been converted to points--with no ballast resistor added in the process. It needed points, they were burned and oxidized--what a surprise.
    Got it running okay, then tried to time it, and that is when it got interesting.
    I removed the vacuum line to distributor, and idle speed raised significantly. Hooked that back up, and idle speed went back to "normal".(900) I checked the vacuum advance can--correct 236 and worked just fine.
    Decided to set the timing mark at 10 degrees before, and then rotate distributor until points sparked and then set the timing that way.
    But another snag--I couldn't get the points to spark (key on, too!)--why not? Rubbing block on distributor cam would stay on the flat--couldn't rotate distributor far enough to open the points before the vacuum advance can limited rotation. Pulled the distributor. Guess what? Lower gear on backwards, with depression in gear pointed away from the rotor outer tip. Rectified that.
    Time to put the distributor back in--why is oil standing in the valley on the top of the block just below the distributor? Must be a bad gasket on bottom of distributor? Nope. That gasket is fine. But the rear gasket on the manifold to block is pushed out, so that oil exits to where it lies on the block, and a vacuum leak is created. Time to remove the intake and replace intake gaskets.
    PO said he stopped driving the car because he didn't like running it on the bad gas of the late 80's. I suspect he just couldn't get it to run right and parked it, blaming the gas.
    BTW, the beautiful original pad has 030 stamped on it. Nice job by that machine shop, whoever/wherever it was.
    Enough fun for one day! Can hardly stand the excitement!
    Last edited by Mike E.; April 20, 2022, 01:26 PM. Reason: fat fingers, skinny keys
  • Leif A.
    Extremely Frequent Poster
    • August 31, 1997
    • 3627

    #2
    Re: Awakening a 67 coupe

    Would love to see some pictures of this re-awakening.
    Leif
    '67 Coupe L79, M21, C60, N14, N40, J50, A31, U69, A01, QB1
    Top Flight 2017 Lone Star Regional

    Comment

    • Mark S.
      Very Frequent User
      • July 31, 1983
      • 660

      #3
      Re: Awakening a 67 coupe

      I would also be int3erested in the progress! Mark

      Comment

      • Mike E.
        Extremely Frequent Poster
        • February 28, 1975
        • 5138

        #4
        Re: Awakening a 67 coupe

        Can you believe this leaked? It fell off the intake when I removed it.
        Also some pics of starting point.
        intake gasket rear (2).jpg Garage of Michael Klein owner since 1985 (1).jpg soon ready to drive pics (2).jpg soon ready to drive pics (3).jpg block stamp (2).jpg transmission stampings (2).jpg transmission stampings (8).jpg differential stamped code (2).jpg trim tag.jpg

        Comment

        • Tim G.
          Extremely Frequent Poster
          • March 1, 1990
          • 1375

          #5
          Re: Awakening a 67 coupe

          Great pictures, Mike. Thank you for posting them.

          Comment

          • Roger W.
            Very Frequent User
            • January 29, 2008
            • 567

            #6
            Re: Awakening a 67 coupe

            The car looks good. Hopefully you will not find any more non-functional modifications.

            Comment

            • James W.
              Extremely Frequent Poster
              • December 1, 1990
              • 2655

              #7
              Re: Awakening a 67 coupe

              Great color combination. Is the 030 on the stamp pad mean it's was bored .030 or maybe a customer number? Thanks for posting the pictures, keep us updated.

              James

              Comment

              • James G.
                Very Frequent User
                • August 22, 2018
                • 800

                #8
                Re: Awakening a 67 coupe

                I love those kind of projects! You lucky dog!
                James A Groome
                1971 LT1 11130 - https://photos.app.goo.gl/zSoFz24JMPXw5Ffi9 - the black LT1
                1971 LT1 21783 - 3 STAR Preservation.- https://photos.app.goo.gl/wMRDJgmyDyAwc9Nh8 - Brandshatch Green LT1
                My first gen Camaro research http://www.camaros.org/forum/index.p...owposts;u=4337
                Posts on Yenko boards... https://www.yenko.net/forum/search.php?searchid=826453

                Comment

                • Bill M.
                  Extremely Frequent Poster
                  • July 31, 1989
                  • 1322

                  #9

                  Comment

                  • Mike E.
                    Extremely Frequent Poster
                    • February 28, 1975
                    • 5138

                    #10
                    Re: Awakening a 67 coupe

                    That's there for the whole world, isn't it? Here are pictures confirming it is a TI car.
                    transistor ignition evidence (2).jpg
                    transistor ignition evidence (4).jpg
                    Last edited by Mike E.; April 24, 2022, 04:53 PM.

                    Comment

                    • David H.
                      Extremely Frequent Poster
                      • June 30, 2001
                      • 1526

                      #11
                      Re: Awakening a 67 coupe

                      Mike

                      Perchance is this distributor from a 65-66? i.e. distributor partial oil groove - cause issue with oiling rockers.

                      Dave
                      Judging Chairman Mid-Way USA (Kansas) Chapter

                      Comment

                      • Duke W.
                        Beyond Control Poster
                        • January 1, 1993
                        • 15670

                        #12
                        Re: Awakening a 67 coupe

                        When you got it running did you check and adjust the dwell angle as necessary.

                        With the dwell at 30 degrees and about 8 initial the plane of the cap window should be approximately normal to engine centerline. If not the distributor installation is incorrect. The fact that the rotor dimple was 180 out means bubba has been there. Check that the plug wires are properly indexed on the cap, #1 next to the drives side of the cap window.

                        The TI is pretty easy to fix. Check that the rotating pickup coil has the specified resistance in the CSM. It's something like 500-700 ohms, but I'm not sure of the exact number. Also carefully check all connectors especially the one at the amp and the amp ground wire.

                        New modules for the amp with modern components are available.

                        The TI amp looks like it's installed on the firewall next to the driver's side hood catch??? It should be on the front face of the left front inner fender panel behind the grille.

                        Due

                        Comment

                        • Mike E.
                          Extremely Frequent Poster
                          • February 28, 1975
                          • 5138

                          #13
                          Re: Awakening a 67 coupe

                          Duke, For some reason the pictures are acting up. I wrote a paragraph response to you, and I got the message that it was too short (less than 10 letters). FWIW, That is two different picture that decided not to allow any break between them. Module is in the right place, outside of and below the left front hood corner in the top picture.
                          The second picture is of the harness clip below the left female hood latch that the AIM indicates was only on K66 cars.
                          I have some experience on TI cars with a couple of LT-1's and an LS6, but am never above receiving guidance. Thanks for your input.

                          Comment

                          • Mike E.
                            Extremely Frequent Poster
                            • February 28, 1975
                            • 5138

                            #14
                            Re: Awakening a 67 coupe

                            Originally posted by David Houlihan (36425)
                            Mike

                            Perchance is this distributor from a 65-66? i.e. distributor partial oil groove - cause issue with oiling rockers.

                            Dave
                            Dave,
                            Fortunately there is no issue with that!

                            Comment

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