Overclocking Intel core 2 quad q6600 Stock fan

gtx 470

Distinguished
Jun 9, 2010
13
0
18,510
how far can i overclock the q6600 with the stock fan i already overclocked it to 3.01ghz
and can someone tell me how to overclock it further?

sorry about my english

OCZ 4GB RAM 800mhz
EVGA 9800gtx+ OC'd
850w PSU
windows 7 64bit
 

gtx 470

Distinguished
Jun 9, 2010
13
0
18,510


BTW guys i forgot to mention but i did this through the BIOS
 

gtx 470

Distinguished
Jun 9, 2010
13
0
18,510


i have just overclocked it to 3.2ghz on stock cooler

core #0 is at 51 degrees right now is that normal?
core 1 core 2 and core 3 are 50-47-43 degrees
everything seems to work normal games are a little bit faster too