Heres a link to the pack build...
http://www.robowars.org/forum/viewtopic.php?t=944&postdays=0&postorder=asc&start =120http://www.robowars.org/forum/viewto...rder=asc&start =120

Note that he used Arctic Silver 5 thermal paste ...which I queried.

Scroll down the page for the complete discourse.

Seems to have worked for him ...goodness knows why!