Actual, the magnet sleeve from Pertronix raised the rotor by 0.5mm and this
can cause the rotor cap contact. The second issue with the Pertronix is
sometimes that the baseplate and magnet sleeve is in contact. Friction
against the advance adjustment with no or late advance adjustment and
breaking of the rotor is the result. Ask me why I know this. I sold the
first BMW 6 cylinder units modified for Austin Healey 20 years ago before
Pertronix picked up on this market.
Udo Putzke
Putzkes-FAHRSPASS
www.putzkes-fahrspass.com
-----Original Message-----
From: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net]
On Behalf Of Bob Spidell
Sent: Saturday, December 14, 2013 1:40 PM
To: Quentin Schweninger
Cc: Healey List
Subject: Re: [Healeys] Points vs electronic ignition
What I've heard--note: second/third-hand--is that the collar causes the
rotor to ride too high; possibly causing the rotor to contact the terminals
or inside of the cap. Again, I have heard of such problems--probably either
here or on the forum--but have not experienced them myself.
Bob
----- Original Message -----
From: "Quentin Schweninger" <quenty2@gmail.com>
To: "Bob Spidell" <bspidell@comcast.net>, "Healey List"
<healeys@autox.team.net>
Sent: Saturday, December 14, 2013 12:05:20 PM
Subject: Re: [Healeys] Points vs electronic ignition
Hello Bob.
You mentioned below that there were sometimes problems with cap/rotor
combinations with the pertronix ignition. Apparently thats what I have.
The cap center contact hits the rotor, about .050 before it seats on the
distributor body.
This is a new cap, (Moss 874-060) on a 25D6.
I called Pertronix and the first technician was curious and asked me to make
sure the Collar was down all the way, and asked me to measure what was
interfering and how much.
When I called back I got another Tech. who insisted that I didn't have the
collar pushed down far enough.
The collar is located vertically on the distributer shaft by resting on the
distributor cam.
This tech told me, "we have made thousands of these and never had a
problem".
Is this similar to the problems you are referring to?
Dave
BN7 II Daisy
On Dec 13, 2013, at 11:17 AM, Bob Spidell wrote:
Pertronix makes modules for both. The 6-cyl module requires a 'collar' with
magnets that sits under the rotor (sometimes causing problems with some
rotor/cap combinations). The 4-cyl module does not require the collar;
apparently, it senses the movement of the cam lobes (the 4-cyl distributor
is smaller than the 6-cyl and I don't think there's room for the collar
anyway).
Bob
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