overclocking starter :(

[seb500]

Hi

Read the overclocking guide but still a bit confused, could someone whos experienced tell me what to do so I can understand it a little more please

My PC:

Q6600
OCZ 4GB (2x2GB) DDR3 PC3-12800C8 1600MHz
ASRock P45DE3
HIS 4870X2
OCZ StealthXStream 2 500W
CoolIT Eco A.L.C. 120mm CPU Watercooler

Ideas ;D?

 

[seb500]

Thanks dude, going to experiment when I get my new case + fans. As I have a water cooler, do you think I could get 4GHz out of it?