Make them replace it, Pertronix has a 30 month warranty. They also have
decent tech support that might help to pinpoint the problem.
BB
-----Original Message-----
From: triumphs-bounces@autox.team.net
[mailto:triumphs-bounces@autox.team.net] On Behalf Of G.D. Huggins
Sent: Friday, February 24, 2012 10:57 AM
To: triumphs@autox.team.net
Subject: [TR] TR4A - First Breakdown Update
All,
I have the final update from my first breakdown some weeks back.
As a reminder, I was on the highway coming up on some slower traffic.
So, I turned off the OD, changed lanes, got back on the gas then BANG.. a
loud noise and no revs.
I got it towed home and began troubleshooting..
Car would start, but ran super weak. Giving it any throttle would kill it.
Fuel looked good.
Spark looked good.
So, I checked the timing, and sure enough, the dizzy rotor was way to the
right when #1 was TDC.
It is supposed to be "pointing" directly at the #1 plug hole.
So, I have a mechanical issue that is causing the spark timing to be way
behind..
My theories were a) timing chain jumped, or b) dizzy gear jumped..
Turns out both were wrong.
What happened was that the rotor broke, which gives me mixed feelings.
I am happy that it turned out to not be a jumping issue, but angry because
the dizzy is a brand-new Pertronix dizzy I got from Moss, with just 1000
miles on it, and it seems a bit too early for it to have issues.
Any clue why a rotor would break? Something tells me to check for
vibrations in the dizzy shaft.
I am going to return to the original point dizzy just for giggles as a
comparison.
Any thoughts??
Cheers,
Guy D. Huggins
1965 Triumph TR4A
CTC 63569LO
Online project diary at http://www.genfiniti.com/triumph
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