Hey, I've been racing my buddies with F7's on the ice for the past little while. Figured I'd post some results.
My sled: 06 Attack, 3-3-3-2-2-2 stud pattern (retarded I know, I didn't do it), Hauck exhaust, DIY ram air airbox lid. Stock clutching.
Friends sleds: 06 F7, stock w/MBRP can. 06...