you wanna stick that ontop of the other heatsink? i don't think you can do that.... i think you're gonna have to remove the original heatsink... not sure but you might be able to put just the fan on the heatsink.. since the fan has a heatsink w/ it.. like seperate them and put the fan on your heatsink that might work. just guessing tho.
i think just go with what Sui said.
did you overclock your comp?
"Is virtue a thing remote? I wish to be virtuous, and lo! Virtue is at hand." -Confucius