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Old 11-30-2019, 11:03 AM   #13
SSsssteamer
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Location: Sedro-Woolley, WA
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Default Re: Knocking at start up?

Quote:
Originally Posted by Mark in MT View Post
Piston slap, until oil gets up into cylinder, and pistons warm up. If it is more noisy when cold than warm, this may be it.
I had an engine like that also that had the piston slap when it was first started cold. It had been re-ringed when it first should have been re-bored.
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