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Message: <blockquote data-quote="Dave70968" data-source="post: 3101852" data-attributes="member: 13624"><p>Also--to show you how little I know--I need to ask you to clarify how you described that cam.  "Stupid big cams like 260@ .050," I'm taking to mean a lobe 260° wide, and .050" taller than standard?  If that's correct, how do you measure the width: from the point where it starts to diverge from the base circle (starts to open), or where it reaches full height/full open?  Also, as I recall, the cam turns at half the speed of the crank, so a 260° cam lobe would cover 130° degrees in the physical steel, doubled due to the divided rotation rate, right?</p></blockquote><p></p>