Valve Train Geometry

Interesting discussion here on getting valve train geometry right, as well as some discussion of spring pressures and pushrod design.

http://www.enginelabs.com/engine-tech/c ... g-it-right

Ken

Good stuff there Ken, finally got around to readin through it! Thanks for posting the link.

Of course, most of the stuff about rockers is not applicable to Nortons, but there's strong support for lightening spring pressures and the use of beehive springs (as sold by JS).

Also interesting to see the trend away from super light pushrods in preference for super stiff pushrods, which I believe is what Mr Maney has been doing with his steel rods for some time.