I added a bit of cooling to the side of each chili, so it blows air across the VRMs on top and bottom of board, I also have the exhaust from the heatsink deflected down onto the VRM section, using cardboard.
I think the side cooling(implimented last night) has allowed a tad more speed, I really want to try heatsinks on bottom of board. Im waiting to see if I ever get them from the guy I bought this miner from...lol!



All but 1 of them run 37+GH @ an avg of about 55-60C... one of them is an oddball, 35.6GH @ 65C (tried reseating heatsink several times w/ no improvement)
3 of them run 38GH+ and one of them has been up to 40GH+ several times....wish I could stabilize it that high, but it clocks down.