hey guy, anyone of you have ever overclocked this model of cpu and mobo ?

i am intended to overclock it at 3.5 ghz.
but i have no idea of overclock. such as how much voltage of cpu need to be & etc

or you guy have very good resource for newbie to learn how to overclock ?

i5 750
asus p7p55 lx
2 sticks of - 4 GB DDR3-1333 DDR3 SDRAM (9-9-9-24 @ 666 MHz) (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz)

thank you so much.