" Just after any opinions on option thicker chassis (3mm and the like).
If anyone has tried either top or bottom deck or both for thatt matter, I would like to see your opinion.
If you run on carpet with foams, I feel it is a worthwhile investment. i have seen guys be fast with the stock setup on carpet. Most of these guys were really fast to start with, however. I think the car is a lot more consistent with a 3mm setup on foam tires. The regular guys who have gone this way actually look better on the track , which might be more telling than what they have to say.
If you run rubber on carpet, I tend to think it would not hurt you, especially at bigger events. That being said, it is more critcal for foam than rubber. Last year's Novak race in WI also had several Pro4s almost fresh out of the box in the A, so maybe I'm wrong......
If you run asphalt, talk to Erik