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Dan
I had the engine boroscoped and a compression test.  Everything checked out
just fine.  It was probably preignition and not detonation.  Either way, I
am thrilled that there was no damage.  The amount of time that we
experienced this problem was only a couple of seconds before pulling back
the power.
Matt
___________

> If you have that much evidence of preignition or detonation, you 'd better
> have that puppy bore-scoped or even have the offending jug pulled for a
>

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