It's time to flex some MUSCLE with a few rules;
1.) Vehicles must be a stock appearing (pre 1973) any wild paint schemes should appear to be straight from 1973 or earlier. (i.e. Lace/panel paint or similar accepted ---'80's style stripes are a no, no)
2.) Must be original style car with stock suspension (no tube chassis, or back half/tubbed cars).
3.) Original style wheels or period correct (to pre 1973) aftermarket wheels preferred.
4.) Must run a D.O.T. street tire (no wider that 9.5 inch tread width), No slicks allowed . Period correct D.O.T. Bias Ply tires such as N50,L60 or such is allowed even though slightly wider than the 9.5 inch rule.
5.) Absolutely No electronic fuel injection allowed
6.) All vehicles must be naturally aspirated- No power adders allowed i.e.. nitrous, turbo, supercharger, or blowers.