Can't find source of skip.

Discussion in 'Engine Topic' started by daddio4048, Dec 12, 2013.

  1. John Wright

    John Wright Veteran Member Lifetime Gold Member

    Messages:
    15,215
    Likes Received:
    401
    Joined:
    Aug 9, 2002
    Location:
    Rustburg, Va
  2. middleagecrisis

    middleagecrisis Veteran Member

    Messages:
    967
    Likes Received:
    0
    Joined:
    Oct 22, 2007
    I've had this issue and went through all the same troubleshooting tips listed above. It turned out to be a worn bushing in the distributor housing, causing erratic timing (dwell) at a steady rpm. Just another possibly culprit for you to consider. How old is your distributor?
     
  3. John Wright

    John Wright Veteran Member Lifetime Gold Member

    Messages:
    15,215
    Likes Received:
    401
    Joined:
    Aug 9, 2002
    Location:
    Rustburg, Va
    Accel makes a decent cap also and has the brass terminals and a rotor button with a brass tip.

    Those aluminum terminals corrode pretty easy when in a damp environment.
     
  4. COPO

    COPO Veteran Member Lifetime Gold Member

    Messages:
    20,879
    Likes Received:
    2,467
    Joined:
    Sep 15, 1999
    Location:
    Ontario, Canada
    NAPA sells the parts with brass connectors and they seem to last longer.
     
  5. ol' grouch

    ol' grouch Veteran Member

    Messages:
    3,623
    Likes Received:
    1,147
    Joined:
    Jul 4, 2013
    Location:
    Evansville, In.
    Something I just remembered. I got a car in the shop once that had a new cap and rotor but would cut out at certain speeds. It turned out that the spring on the center electrode was bad and would let the contact bounce off the rotor tab.
     
  6. muscl car

    muscl car Veteran Member Lifetime Gold Member

    Messages:
    23,282
    Likes Received:
    1,727
    Joined:
    Jul 8, 2001
    Location:
    Hendersonville Tennessee
    are you running a ignition box ?????
     
  7. daddio4048

    daddio4048 Veteran Member

    Messages:
    823
    Likes Received:
    2
    Joined:
    Jan 21, 2013
    Location:
    Valdosta,Ga.
    I was told by Holley today that I might have the wrong power valve in the carb.Got to check vacuum & see how much it's pulling.
     
  8. daddio4048

    daddio4048 Veteran Member

    Messages:
    823
    Likes Received:
    2
    Joined:
    Jan 21, 2013
    Location:
    Valdosta,Ga.
    I either have a valve not seating correctly or I have a plug that is missing intermittently. I running A/C Delco #2 plugs. I took them out & they all look like they are firing just fine. No black tips. The only thing that has not been changed is the plug wires.They are the NAPA premium 8mm wires.This is driving me insane trying to find this issue !
     
  9. markw

    markw Veteran Member

    Messages:
    820
    Likes Received:
    2
    Joined:
    Jun 6, 2009
    Location:
    Illinois
    A few specifics are needed. When does it skip? What are you doing with the throttle to make it skip? At what rpm does it skip? What is the vacuum level when it skips? Does it go away if you give it more throttle? Is the engine fully warmed up? What is your timing curve? Vacuum advance specs? What are your engine specs? What cam? What carb? What is a "A/C Delco #2 plug"?
     
  10. troutman

    troutman Veteran Member

    Messages:
    121
    Likes Received:
    0
    Joined:
    Mar 16, 2009
    Location:
    Chapin,S.C.
    Check to see if you have crossfire on spark plug wires #5 & #7.
     

Share This Page