yes, if it's a spring type it might crack the core for example-- but i don't know how your fan works or looks. i was thinking actually that you google the fan-- actually, the heatsink, if it's separated-- and see what processors it was made for. the socket is just for arrangement of the pins but the shape around those might be different. another option is to go to some computer boards & dig out for old posts or simply ask... i suggest the
arstechnica forum, great bunch of geeks, scary smart, but mostly very nice people.
--
ps what are you doing with a p3?