Core i7 chips are slowly becoming available so it was only a mater of time before a speed geek got a hold of one and set a world record. The same chap that overclocked a Pentium 4 631 to 8140.4 MHz last year did the tweaks this time around with help from an ASUS ROG Rampage II motherboard. Without taking anything away from him, ASUS claims that the new motherboard, which features small…