no such thing as cam bearings on a 22R. the cam rides right on the head and caps.

all cams from 20R/22R/22RE motors are interchangeable, there's also a lot of performance aftermarket cams available

do you have any pictures? im having a hard time getting an idea of what you mean by pieces broken off <img src="/forums/images/graemlins/confused.gif" alt="" />

'79 sport 4x4 longbed <img src="/forums/images/graemlins/smile.gif" alt="" />
20/22R hybrid with EB's OS valves, 268c cam, offy intake, weber 32/36, thorley header, 5 speed swap, 34" LTBs, downey 3" springs, marlin hysteer, 4.88s and locked

'91 4x4 shortbed
22R-E, W56, the dd!