so i got mine adjusted yesterday from the SCT unit. FYI for anyone that is running 35x12.5R20, 2700mm is gonna get you real close to dialed in. so now that everything is right, i'm getting 15mpg combined, and thats doin 75 tachin 2k. When I do 45, I get 21.3mpg. Thats damn good w/ 35's and 6" combined lift.