Water-filled tyres, five-gallon fuel lines, wafer-thin body panels, nitromethane boiling out of the engine oil and into the air intake, cars that can run just fine when their engine isn't meant to be able to get any air at all, and apparently pretty much everything Smokey Yunick ever did.
If you're not doing something that makes them change the rules next year, you'd better be doing something that at least forces them to clarify them. Angrily.