Good luck with that. A fellow SCSCC club member had his butt handed to him at our recent auto cross event in his GTSlow. When you get beat by a novice driving a '95 Fleetwood you know there is something wrong. Now you may say it was the driver but he has been racing his highly modified race class 2000 Chevy Camaro for years and knows his way around the track... rest assured he can DRIVE! There is just to much cushy soft ride crap on the GTO to make em handle at all. Believe it or not the front wheels will travel backwards 1" or so when braking! Needless to say he is modifying the suspension big time after that embarrassment. If you wanted 12's well I guess there are lots of choices - for me I've seen a nice Buick GN costing 1/2 that go 10's - easily... than there is the wife's new 2007 Charger Daytona... sweeettt ride! Charger Forum guys are consistently running mid 13's... maybe if the wife lets me drive it I'll see what it can do...