Quote:
Originally Posted by Andrewyoung78
My car has been running great but once in a while when I shut off, it pre-ignite?
There's no sign of pinging and what so ever. I only use chevron 92. I try to keep the fans running for cool down about a few minutes before I park to avoid the motor being too hot and my holley 770 set up to idle at 850ish.
Any idea why it does that sometime?
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Generally referred to as 'run on' or 'dieseling'. I get it occasionally on my 460, so I was interested to read this - which seems to indicate too rich or too lean could both be causes:
https://en.wikipedia.org/wiki/Diesel...tential_causes