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Checking a distributor with a Pertronix

Discussion in 'Off Topic Hot Rods & Customs' started by RICH B, Aug 25, 2025.

  1. RICH B
    Joined: Feb 7, 2007
    Posts: 6,036

    RICH B
    ALLIANCE MEMBER

    Like ***le; I have a distributor on bench I would like to check to see if it works. It was on a running engine a few years ago; but ended up on the shelf. With a points dist. I usually hook up a coil and turn the dist and see if spark comes out of the coil; would think this would be the same; but?

    There are some scuffs on the bottom of the magnet ring; not sure how they got there as there is clearance to the sensor when the shaft is held up or down. The dist is shimmed tighter than I am used to seeing; maybe it was too loose and rubbed and then my buddy shimmed it tighter.

    Probably easier just to put a set of points back in it.

    2025-08-25 15.06.59 (Medium).jpg IMG20250825150644 (Medium).jpg
     
  2. deathrowdave
    Joined: May 27, 2014
    Posts: 5,092

    deathrowdave
    Member
    from NKy

    I’m not the biggest fan of Pertronix , my thoughts toss it and points as God made it . I would think you hook up a coil correctly spin it and it should make spark if in good shape .
     
    RICH B likes this.
  3. MAD MIKE
    Joined: Aug 1, 2009
    Posts: 964

    MAD MIKE
    Member
    from 94577

    If you test it like points, see if it's a PI or PII model. PII will forgive you for leaving it on,PI will burn up. If unsure, hook everything up with power last and spin the distributor. Get your answer and power it off.
     
    RICH B and rod1 like this.
  4. '51 Norm
    Joined: Dec 6, 2010
    Posts: 877

    '51 Norm
    Member
    from colorado

    I currently have one on my distributer machine. It is the PIII model and hooks up like a set of points.

    This version has the multi spark and that messes with the indicated timing.

    I bought it because it has a built in rev limiter. I put it on the distributer machine to see if the rev limiter works, it does.
     
    RICH B likes this.
  5. jimmy six
    Joined: Mar 21, 2006
    Posts: 17,223

    jimmy six
    ALLIANCE MEMBER

    Pertronix ll, their coil, I used my stock ballast resister. 12 years, the timing never changes off spec. Plugs show perfect. I clean the cap inside every 2 years with a toothbrush.
     
    RICH B likes this.

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