Be sure to do a very thorough check on the condition of the cam lobes with a degree wheel and a dial indicator- - - - -if the lifters are showing any measurable amount of wear, the cam lobes will be worn also. Schneider Cams in San Diego regrinds stovebolt cams, but a Melling CCS-1 cam is a really good option if you decide to go with a new cam. It's slightly better than the 261 engine cam that was also used in the 6 cylinder Corvette, without a creating a lumpy idle and bad intake manifold vacuum.
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!