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Piston slap when warm? 700 1991

Some of them were just slappers. It isn't technically "right", but as long as it isn't a big knocking, it shouldn't be that big a deal. It's stupid that the engines would slap like that, but some of them just did. And some of them never ever do it. I don't know exactly what determines which ones do and which ones don't.

As for the oil choice, someone from the board just mentioned that Mobil 1 0w40 had all but eliminated their scratchy sounding piston slap on a B230FT. It might be worth a shot to see if it does anything.
--
Chris Herbst, in Wisconsin.






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