[Rovernet] P5 running problem.

[Steven Dibdin]

Hey Peter,

I have to second what others have said. This sounds like a classic case of an overheating coil. Try touching the coil when the engine starts running rough, is it hot to the touch? Do you have a ballast resistor on your system? Sometimes when they go bad they can let the full 12v get to the coil under normal running and overheat it. As with all things auto based, start with the easy to test and eliminate stuff first and work from there. 

Best of luck,

Steven

Sent from a small screen, please excuse any typing errors. 

> On May 11, 2015, at 17:37, Michael Connor via Rovernet <rovernet at rovernet.org> wrote:
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> PeterTry swapping the coil for a known good one. I have had more coil issues in recent years than ever before.This sounds like symptoms I had on my P4 except I could drive longer than 10 min. On my Morgan that stopped on a trip back from Houston one rainy evening and changed the coil along side the interstate.The coil worked fine and I got home with no other issues. A week or so later put the old coil back on and ran fine. It turned out there was a break in the wire from coil to distributor. Sometime it would make and sometime it would break.   This would be worth a check . Good LuckMike Connor 
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