Need help-overclocking e8500

[Qarayev]

I have overclocked e8500 up to 3.2ghz .but after this point i cant overclock.I have tried increase voltages abit but didnt help.Should i change fsb\dram ratio?
my specs:
msi g41m p33combo
3gb ddr2 800mhz
snapshot from BIOS:

 

[digitaldoc]

What temps are you getting at 3.2 GHz? This may be limiting your further OC efforts.

 

[Qarayev]

What temps are you getting at 3.2 GHz? This may be limiting your further OC efforts.

 

[digitaldoc]

Your temps are 52-53 degrees, and your fans are maxed at 100%.

Look into a better cooling solution as you are limited in your thermal headroom.