Quote:
Originally posted by fritz_269
Interesting, I've never heard them called 'crown lands'; but I do agree that texan is talking about the second land. The top land is the distance from the piston face to the top of the compression ring groove.
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Well, I'm probably just permanantly skewed from talking about articulated pistons, where the crown and skirt are separate pieces (and made of different materials). I suppose it's fair enough to call them "piston lands." I'm just used to referring to the part of the piston above the skirt as the crown, and the various larger-diameter portions of the crown as the crown lands. Perhaps the author of the attached picture would have called them "head" and "head lands?"