Overclocking help?? 5.0 on air?on 2500K

[Tin88]

Im new to overclocking and i am having trouble getting stable at 5.0. Im OC'd to 4.9 right now at 1.45v and I havent tweaked many other settings. Am im running to high of voltage to my cpu at the 1.45v for my 4.9 OC?? Its not a 24/7 OC, BCLK is 100, PLL is 1.8125V, Phase Control is Extreme and Load Line is High. Power Saving is disabled and ram is 1600mhz and 1.5V Other than that everything else is left alone. When I try to go to 5.0 no matter how high I raise the volts I either get the BSOD or at 1.485v which reads 1.472v in CPU-Z and AI Suite was stable until I tried to stress test it with a few apps open. What other settings can I change to get to 5.0 I know i Shouldn't be any higher than 1.5 I dont wanna be anywhere near there.
Setup
i5 2500K
Asus P8Z68V-Pro
XFX850W
Crosair Vengeance 8GB
Evga GTX 570 Classified

 

[soccerdocks]

I would not recomend overclocking that high if you intend on using that CPU for more than a few months. In the recent overclocking article it was mentioned that voltage levels of 1.4 to 1.45 will likely kill your processor in weeks to a few months. If you are looking for a long term over clock don't go any higher than 1.35 V.

 

[jsc]

According to Intel's tech docs, the maximum safe voltage for the SB CPU's is 1.52 volts.

OTOH, I suspect that you will reach max recommended temps before voltages with the SB quads.