The offset got the usual mods of tuning plates, large charcoal basket, large brick heatsink, and baffle. I also sealed the side firedoor to keep cold air out with a welded door jam. I also sealed the stack, but did not make the extension on the inside, as it already is only four inches off the grate. The mods worked great during seasoning, keeping the temps at 250 on both sides always within 10 degrees, usually within 5 or less, with adjusting the fire or stoking it three times for six hours once the temp was set.