help please with over clock

[lasher]

hi ive a gigabyte ga-p35c-ds3r board and a E6750 with OCZ Intel XMP Extreme Ed. 4gb DDR3 could anyone assist me with setting for best performance i have a Xigmatek Achilles HDT-S1248C for cpu
i dont mind overclocking just the strap issue is confusing lol
thanks
kev