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1. 05:22 AM - Re: white smoke (Gary Casey)
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--> Engines-List message posted by: Gary Casey <glcasey@adelphia.net>
There are so many unknowns with the "break-in" phenomena that it is
difficult to say, but the most common opinion that makes sense to me
says that low-power running is sort of suspended animation. Nothing
happens, so it is like it wasn't run at all. Too much of it, though,
and it will wear just enough to prevent a true break-in. 5 hours is
kind of a long time, so I would wait and see. After 5 hours of hard
running if the oil consumption stays high (a quart every hour or two)
then I'd start to think something wasn't put together right. On one
of my engines I found an intake valve guide that was loose in the
head, for example.
Gary Casey
>
> With 5 hours of very low power operation since overhaul, could the
> cylinders be
> glazed such that the rings will not seat until honed again?
>
> Mike
>
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