I have never seen "Normal" used before but he did good on that video, I saw up to where he raised Vcore to 1.31. Usually yeah you can get away with stock voltages for small overclocks under 300mhz but for overclocks of over 300mhz then it will take some tweaking depending on the chip. There is too much to go into right now and it is late, if you need mmore info on overclocking Core 2 Quads I can provide a link later.
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