i get my hands on a few E6550 and after a wile testing on my Asus p5k-E i find this one

Realy budget overclocking

Asus P5k-E
intel E6550 cpu
cpu voltage 1.45-1.50 (doesent matter much)
board everyting auto except vcore and vmem

Max air 1m



Max air dual 32M



Max 1m single stage (vapochill Ls)



max 32m single stage



Pifast single stage



Validation max fsb



I'm gona try this on ln2 to see what stops first on fsb ......board or cpu .
just for fun.... sorry about the multi.....