Overclocking

Hello I'm here with a simple overclocking question.


These are my stock specs
Amd Athlon X3 445 3.1Ghz <-- Stock fan/Heatsink <----- also unlocked 4th core

Wintec 4G Ram (2x2) DDr3 1333

Rosewill Challenger case <--3 Case fans

Ati Radeon 5770 Graphics

Asrock Mobo model m3a770de

Now my OC looks like this




If you can't see the values it follows

core volt- 1.472

core speed 333.25Mhz

multiplier x15.5 (Note this is NOT a black edition)

bus speed 215.0Mhz

HT Link 1935.0Mhz

Ram type Dual channel 4G (2x2) Pc3-10700 667Mhz timing is 7-7-7-20 T2

NB freq 2150.0Mhz

FSB Dram 3:8

Dram freq 573.3Mhz

My question is when i run a stress test on anything past 3.3Ghz my pc shuts down so i up the voltage When i get a blue screen i up the NB. How far will i be able to OC with stock fan and heatsink? With 1.5v i can get 3.5Ghz but my temp goes up to 63-64C is that safe? considering it runs stable then core temp shuts my pc down at 60C because i get nervous when it's over 60C.

Also it idles at 26C.

I want to know if i am on the right track? should i get a after market heatsink and fan? Also i would like the Ht link multiplier explained i understand but i don't really understand.

Edit:Will my heatsink keep my cpu cooler if i revert back to a tri core?