Question about Cam gear

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  • JosephJoe
    Member
    • Sep 2011
    • 36

    #1

    Question about Cam gear

    Gentleman,

    What could be the reason, that my early Panhead (1959) fires up very bad.
    We did a CLT at 75 psi, checked the carburetor and changed the cam gear to a stock (74) cam gear.
    When she finally runs it isn't smooth.
    Playing with the needles don't give any improvement.

    Is the lift of the stock cam gear a possible reason for this bad performance?

    Thanks in advance,

    Joe
  • cdndewey
    Senior Member
    • Jan 2005
    • 438

    #2
    Nope ...a stock cam is not going to make it run bad. You're going to have to do some troubleshooting. Pull the circuit breaker over off and see what the points are doing. Change points and condensor, check wire resistance, coil resistance, change plugs . Check for intake leaks, sticking valves.

    You're just going to have to go through it and eliminate what you can. Don't do two things or more at once because if it works you won't know what the fix was.

    Comment

    • c.o.
      Senior Member
      • Feb 2003
      • 5353

      #3
      What Dewey said.... it's a process of elimination now. I assume you double checked your pushrod adjustment??
      Last edited by c.o.; 08-21-2012, 03:48 PM. Reason: Forgot somthun'
      Cory Othen
      Membership#10953

      Comment

      • kg993
        Senior Member
        • Jul 2010
        • 263

        #4
        Was the throttle plate ever out, may be in backwards.
        Kerry
        Kerry AMCA # 15911

        Comment

        • duffeycycles
          Senior Member
          • Apr 2010
          • 2009

          #5
          or the venturi in backwards

          Comment

          • JosephJoe
            Member
            • Sep 2011
            • 36

            #6
            Thanks for the suggestions, but my mechanic and I have this all checked.
            The case is a "fake" '59, it has a brass bearing instead of a Torrington bearing.
            Which cam gear fits?
            Has the profile of the cam gear influence on the bad performance?
            Is a so called "Victory cam" useful in this case?

            Thanks,

            Joe

            Comment

            • flathead tom
              beepo
              • Sep 2008
              • 144

              #7
              How about old gas like chris whines i mean hyines

              Comment

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