But doesn't over advanced timing create hot spots within the cylinder
chamber?


"JR North" wrote in message
...
When you turn the ignition off, the spark stops. Therefore, timing doesn't
count for that reason
JR

Tim wrote:
Dieseling on shutdown indicates:
1.idle speed too high
2.engine temp too high
3.spark plug heat range too high
4.carbon hot spots in combustion chamber
5. very poor fuel quality


timing doesn't count.
JR


or a vacuum leak

timing actually could count, by being a bit advanced, but that would
agrevate the real culprit in poor fuel quality.



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