I know you probably don't want to hear this, but I put a Petronix unit in my
dizzy fifteen years ago, and said good-bye to points forever.
--- On Sat, 5/25/13, Glenn Schnittke <g.schnittke@comcast.net> wrote:
From: Glenn Schnittke <g.schnittke@comcast.net>
Subject: [Mg-t] Ignition puzzle on a TF 1500
To: mg-t@autox.team.net
Date: Saturday, May 25, 2013, 1:03 AM
Ran into an interesting IQ test today. After a full engine rebuild (ran
fine on the test rack and in the car) and some transmission work, we took the
car out on a test drive down the street today. In mid run the car died as if
you'd turned the key off. I went through the entire ignition system and found
nothing wrong. But no spark out of the coil or a replacement coil, condenser
seemed fine, no continuity to ground with the points open, and the distro
checked out fine on the Sun tester.
Then I noticed a black spot on the back side of the points spring where it
comes closest to the distributor body right next to the terminal screw. It
seems it had been arcing to ground between the spring and the diz body. I
cleaned it off, massaged a flatter curve into the spring and added a flat
washer between the leather insulator and the end of the spring to try to
increase the distance between the apex of the spring curve and the diz body.
Plugged everything back into the car and it runs fine again.I could probably
relieve the slot in the end of the spring that goes under the terminal screw
but I'd rather not at this point. I want to keep it regularly serviceable
without special notes if possible.
Anybody else run across this happening? If so how did you deal with it?
Glenn
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