Count me amongst those that have been struck by Petronics failures.
Somehow, don't know how, the magnets in the collar that goes over the
ditributor shaft get dislodged causing all types of misfiring. One of these
days I'll call Petronics about a repair part or procedure. Don't assume,
(like I did, of course) that it will fail completely or not at all. My car
would idle ok, run fine above 3000 RPM, but coughed and sputtered like the
smoking room at O'Hare International anywhere inbetween.
Definitely carry a spare set of points if you have the Petronics unit.
Bob
----- Original Message -----
From: "John Macartney" <jonmac@ndirect.co.uk>
To: <wallaces@superaje.com>
Cc: "Triumph List" <triumphs@autox.team.net>
Sent: Sunday, April 28, 2002 2:51 PM
Subject: Re: Pertronix reliability
> Jim Wallace wrote:
> Over the years I have read about how people keep a set of points in
> their car in case their electronic ignition breaks down. I haven't
> paid too much attention but now am wondering whether it was Pertronix
> that had some problem with the part that goes on the shaft of the
> distributor i.e. replaces the points.
>
> Can't comment about Pertronix, Jim - but both my cars came fitted with
> Lumenition kits. The misfire on the PI was so erratic that I thought
> there were injection problems but it all pointed to ignition. Found
> this odd as I've never had probs wit OE fit electronic kit. Rang
> Lumenition who gave the distinct impression they didn't give a toss
> about my probs. It was only when we plugged the car on to a diagnostic
> unit at work that the ignition module showed up as seriously
> defective.
> As I saw no reason to invest with Lumenition for a replacement unit, I
> reverted to points and condenser and no more probs.
> Then I bought the 2000 as an addition to the fleet.
> Everything fine and dandy, except for misfires. Put this on the
> diagnostic as well - same problem - same solution. The whole fleet
> is now back to points and condenser - including the Fergie. IMHO
> points and cond are easy and cheap to change, lend themselves to
> simple adjustment and you can do it all at the roadside if necessary.
> Thing is, I don't seem to be the only one who has reverted to original
> spec. Met plenty of people who've had probs with ignition add-ons of
> various makes and it seems we're all happier by reverting to the old
> technology. Oddly, I don't seem to have met so many who are happier
> with the later technology so perhaps Old Joe doesn't like being
> fiddled with?
>
> Jonmac
>
> 1950 Ferguson TED20 152318
> 1970 Triumph 2.5PI MG4305DL(O)
> 1974 Triumph 2000 ML2294DLO
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