Originally Posted by
Jesse Open
The Gear and closest cam lobe are one piece. they then key index and stack on the end lobe, as needed for the intended layout. The gear tooth pitch
afaik does not allow for "perfect" timing in both directions, with several of them swapping I/E functions to boot.
Good enough is what they settle for, itt seems.
Proven by how well they run
On my early high compression 150, I gave it a physical when it was about 4 years old, the rear cam lobe was loose and wobbled around, I had never seen that before or
since.