Why not use a 5cfm fan? I use that on my stoker/keg setup when I do decide to use an ATC. Even with a 5cfm fan I STILL have to tape over the "air output/exit" with foil tape cause it will feed too much air for the keg and completely overshoot my target temp. Insulated pits save tons of fuel, but sometimes they can be too efficient IMO. I also have to sneak up on my target temp on my kegs regardless if I'm using my stoker or not.
Last edited by JS-TX; 11-05-2012 at 10:06 PM..