Dragster,
You will find all you need to know (IIRC) on this website:
http://www.starnet.com.au/davem/overclock/csppc.htmlIt is down at the moment. :-(
It's not as easy to do it as it is when upgrading an 040 MK2 to 060 MK2, but it's definitely possible. You will need some steady hands (or a machine to do the job for you) :-) and a good eyesight. Good luck.