Originally Posted by
Jeff Higgins
Good stuff, guys.
On a related note - why no roller rocker tips? They are pretty ubiquitous in the world of hot rod American pushrod V-8's, which are turning at somewhat lower rpm. The idea is to eliminate any side loading on the valve stem. The rocker tip, describing an arc as it pushes the valve down, necessarily applies a bit of a side load to the stem. I assume it's not considered enough of an issue for anyone to feel like they need to deal with it in these motors. Thoughts?