I once had a problem with my TR3 like yours. I had installed a 60kv
kickass coil with optical trigger from Allison, among other mods. Ran
great and always started. One day I decided to use my new Gunson
Colortune, this is a clear sparkplug where you can see the color of the
burning fuel. Anyway, after I removed the plug and reinstalled the
regular plug, I forgot to reattach the wire. Started car, car died, wold
not start again. Found out I zapped the rotor. Moral of the story:
Electricity will always find the fastest and easiest way to ground. And
when you have 60kv looking for a home it will jump right through a rotor
forming an arc trail. Hope this helps. Look for high resistance in the
high volt side of the spark.
Cheers,
Mike Thompson
59 TR3A
78 IROC Jag XJ6
73 GT6 III
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