What is a safe temp to be at? I'm running @ 230-250 on both my hyper 21 and my stock 21bb. Seems like the more I richen the HSN the temp does not get any lower. I bought the new head from Golden Horizons and put it on my 21bb thinking it would lower the temp a little. The guys at the store said it would, but so far I havent noticed any change. I can't seem to read anything on this head except for it is just for looks. What other cooling head is available for the Hyper 8 port since the button is part of the head?