Jon, those later production 235 cams were almost all hydraulic. It would be possible to duplicate that lobe shape and put a mechanical lifter clearance ramp on it, if someone could have a conversation with someone who runs a cam grinding machine. I'll talk to a guy I know about maybe doing that- - - - -I wash his face every morning!

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!