just out of curiosity, why the move to NASA Pete? are you doing the Spec E30 thing?
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Unfortunately, I can't run in Spec E30 even though that's what first got my attention. Believe it or not, my car is too far developed for that series! I would have to do things like remove the front coil-overs and go back to stock. I would also have to buy heavier wheels since their minimum is 13lbs per wheel... sux.
There's another series that they run called the German Touring Series (or something like that) and as you can guess it only includes German cars; BMW, Audi, Porsche, VW, Opel, etc... Within the GTS group there are six classes; GTS1-GTS5 (There is also GTSU which has the tube frame cars). To determine which group you're in you just use this formula:
Weight
---------------
(HP + Torque)/2
That will give you a low number... somewhere between 5-20. That number solely determines which class within GTS you go. You're allowed to do anything you want to the car and if you effect the weight, power or torque, you just get bumped up a class.
I like the freedom that the rules allow and I'm also anxious to run on some of the tracks that they run on. For my region those would be Road America, Grattan, Putnam Park, Autobahn, Blackhawk Farms and Iowa speedway. They run at MAM and Heartland as well, so I'll definitely be heading out your way this summer.