I'VE FINALLY DONE IT!!

i7 920 @ 4600 (21x219) HT OFF 1.472v on air, no tricks and with case closed.

I guess i can lower the vcore, 1.472v was just to be sure it would be enough.

]siNNer[ | i7 920 [4C 4T] @ 4600MHz | 1.472 | Gigabyte X58A-UD3R | Air (TR Venomous X) | 3945A927