Good to know about the base circle on the lobes being different! If a large-journal cam core got the bearing journals ground down, and then a splasher 235 hydraulic lobe was ground onto the core, it would basically be a "new" cam- - - -all the surfaces would be fresh. Since nobody is producing new small journal cams, that might be the only way to get that job accomplished! Just be sure the cam grinding facility has a good inventory control system!
Jerry

"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!