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Distributor Cap Noise

Discussion in 'Early Jeep Restoration and Research' started by fhoehle, Nov 26, 2019.

  1. Nov 26, 2019
    fhoehle

    fhoehle Sponsor Sponsor

    Harford Township, PA
    Joined:
    Apr 11, 2012
    Messages:
    838
    This sounds bizarre, but I have a Delco points distributor with a Pertronix inside it in my Oddfire and there’s a noise coming from the cap. Like the rotor is rubbing the terminals but there’s no evidence of it on the inside of the cap or rotor. When I first installed the rebuilt distributor it made this noise and after retiming it recently, it is making it again. The tighter I tighten the hold down on the base, the louder it is. If I leave it almost loose, it’s almost undetectable. I can’t remember fixing it last time, but it did go away. I have been thinking of buying an HEI style anyway, but I’ve had great luck with the Pertronix in this one and I'd like to keep it around for a spare if I get an HEI. If it's a spare, I'd like to be sure it was up to snuff. Do you guys have any ideas what this noise could be?
     
    Last edited: Nov 26, 2019
  2. Nov 26, 2019
    PeteL

    PeteL Member Sponsor 2019 Sponsor

    Hills of NH
    Joined:
    Aug 3, 2003
    Messages:
    6,499
    Any side-play in the shaft from worn distributor shaft bushing(s)? Or end-play (up-down)?

    I did indeed have a distributor once that was so loose the rotor struck the cap terminals.
     
  3. Nov 27, 2019
    fhoehle

    fhoehle Sponsor Sponsor

    Harford Township, PA
    Joined:
    Apr 11, 2012
    Messages:
    838
    There is some slight up and down movement but no discernible side to side play. None that I can notice with the distributor still in. It was a remanufactured distributor what with the way things are remanufactured nowadays I can completely see it being worn out with only 30,000 or so miles on it. It's a possibility I guess. I'm going to pull it and see what things look like. Thanks for the reply
     

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