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Skybolt Six, smoking......

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  • Skybolt Six, smoking......

    I have a 64 Skybolt six, and the engines gotta come out to replace the flywheel ring-gear. While the engine is out I'm debating how much work I actually want to do on it, its hard for me to not rebuild an engine while its out, however spending a few extra hundred dollars for a full gasket set, rings, bearings, etc would be a strech for me right now.

    Anyways, If you let the car sit a few days it smokes on startup, and hard acceleration. I've replaced valve seals on V8's and cured smoky engines but what about ohv sixes? Should I just rip the whole engine apart or bank on just replacing valve seals?

    I should mention it has 60,000 miles.

    Thanks
    Kent



  • #2
    Did you do a compression check on it?
    Klif

    55 Speedster
    42 Champ Coupe
    55 Speedster/Street Machine
    63 Avanti R2
    64 Convertible R1

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    • #3
      Compression checks out over 100lbs on all six cylenders...

      Comment


      • #4
        quote:Originally posted by 54-61-62

        I have a 64 Skybolt six, and the engines gotta come out to replace the flywheel ring-gear. While the engine is out I'm debating how much work I actually want to do on it, its hard for me to not rebuild an engine while its out, however spending a few extra hundred dollars for a full gasket set, rings, bearings, etc would be a strech for me right now.
        Anyways, If you let the car sit a few days it smokes on startup, and hard acceleration. I've replaced valve seals on V8's and cured smoky engines but what about ohv sixes? Should I just rip the whole engine apart or bank on just replacing valve seals?
        I should mention it has 60,000 miles.
        OHV sixes need valve guide seals too. Replace then the same way you do an OHV V-8. I'm thinking the seals are the same as for V-8s.


        [img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/R-4.JPG[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/64L.JPG[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/64P.jpg[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/53K.jpg[/img=right]Paul Johnson
        '53 Commander Starliner (since 1966)
        '64 Daytona Wagonaire (original owner)
        '64 Daytona Convertible (2006)
        Museum R-4 engine
        Paul Johnson, Wild and Wonderful West Virginia.
        '64 Daytona Wagonaire, '64 Avanti R-1, Museum R-4 engine, '72 Gravely Model 430 with Onan engine

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        • #5
          Check the oil drain back passages too. smoke on hard acceleration makes me think the head may be filling up with oil. Or it could just be rich jetting in the carb.

          nate

          --
          55 Commander Starlight
          http://home.comcast.net/~njnagel
          --
          55 Commander Starlight
          http://members.cox.net/njnagel

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          • #6
            Kent as Paul points out, the seal is the same and should be in valve grind gasket sets. It can be replaced on the engine with the same tools as the V8s.

            Many but not all valve train parts are shared between 61-64 V8 and OHV 6's

            3E38
            4E2
            4E28
            5E13
            7E7
            8E7
            8E12
            8E28
            4E2
            59 Lark
            etc

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