Solid roller questions....

Now we're getting somewhere. I ain't worried about the shaft itself. That decision will come when I end up deciding on an oil pump. I HAVE an MP high pressure high volume, with the hardened intermediate shaft, but I am not set in stone on it.

Alright, so let me ask this. If you can run an iron gear on the billet cam as that Crane link says above, then why in the world did the industry ever use the bronze gear to begin with? Sorry for all the questions. This is something I don't know about and should I decide to go roller, I want to make sure I don't make any mistakes.

So, so far what I am seeing is, as long as I get an iron gear pressed on, I can run the standard type gear. Is that right?