with a stock cooler, JUST 200 more Mhz?
but your motherboard? (Intel® G33 chipset)
i was able to effortlessly oc my e8500 to 3.7 on a crap evga 730i board without a sweat using a q6600 stock cooler.
i had the heatsink for a spare when i posted my q6600, went into windows and it died. i looked and saw i neglected to install the heatsink after doing some tinkering