Is this normal? Coil overheating when ignition left on?

[spirockp]

66 Mustang, rewired with Painless and has been on the road over a year.

Long story short. I left my key in the ignition with it turned on. After an hour and a 1/2 I came back to my car with the coil oil boiling over onto the floor. Every wire was cool to the touch, but the coil was way hot.

Thanks.

Peter S.

 

[Decurion]

Sounds like you have a distributor that still has points in it. I blew up a coil this way once, sounded like a gunshot. Its perfectly normal. It just means the engine happened to stop at a point where the points were closed. This doesnt happen with any electronic ignition. *coughcough*timetogetridofpoints*cough*

 

[spirockp]

No I swapped out the points as well about 9 months ago. I replaced them with the PerTronics Ignition and their Coil as well.

 

[palerider94]

I had it happen on mine - did the same thing. and at the time had pertonix and thier coil. Needed to replace coil. $50 lesson - have sinced replaced igntion reminder buzzer.