Were you using a stock cam, or a high lift regrind? The ones I've reworked have dropped in without a problem so far. One way to avoid that problem would be to install the last bearing after the cam was partially in place.
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!