A used cam is sort of like a used condom- - - - - -I don't think I'd trust one! Once a cam/lifter wear pattern gets established, it shouldn't be disturbed. At least put in a new set of lifters and go through the same break-in procedure as a new cam- - -20 minutes at 2,000 RPM before you idle the engine at all.
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!