Really need help....Please someone - Overclocking 920D0

[pooal]

try upping cpu pll to just under 1.9v(i use 1.86v@4.2ghz and 1.9v@4.4ghz)
and def raise vcore, around 1.45 is safe for WC setups(i use 1.40v@4.2ghz and 4.4ghz)the trick after 4.2ghz is the QPI VTT(not QPI PLL)likes to be around 1.5v-1.6v(i always stay under 1.6v)

my setup is:
i7 920 DO WC Koolance 350ac
x58a-ud7 WC standard
dominator GT 1866mhz DDR3 6GB(soon to be WC with RAM-33 from koolance)
GTX 295 WC Koolance NX295s
2 x 1tb f3's in raid0
1 x 1tb f3 storage
toughpower QFAN 750w
xspc 360 rad,mcp655-b,custom 20ltr external res