Help me overclocking x5670

[Muhammad Osama]

Hey guyz..

Sorry for my bad english..

 

I have a x5670 and an asus p6t mobo.. an r9 380 gb and a thermal take smart 650w psu.. i think i have bad cpu.. bcause i watched tech yes city and almost every guide on google and youtube.. but i can't push my x5670 to 4.5 ghz .. my cooler is cooler master masterair ma410p with 2 fans.. i was able to hit 4.2 ghz at 1.38v .. uncore at 3.4 ghz at 1.37 volt and memory at 2000mhz at 1.64v.. pll voltage are at 1.9 and ioh voltages are at 1.16v..  is there any thing i can try to achieve to get atleast 4.4ghz? I have 22x multiplier and 191 bclk.. though my bios allow me to up the multiplier to 24x but it doesn't stick to that.. is there any thing i could try? Please i wans 4.4 ghz atleast