[Mr Twisty]

The website is dedicated to the car as a whole, and is the most varied in age and gender I've ever seen. You've come to a 'general knowledge' site asking about cam physics. There are a few here that could educate you, I'm not one of them. The folks that can are likely to be cam grinders, so their information may be vague, and rightly so.

This is more a community of friends talking about something they have in common... If you want cam engineering information you'll need to hunt the knowledgeable folks out, or try a more specific site.