DMS 4 Class System
The DMS 4 class system is geared towards local amateur level competitions where a wide range of vehicle and skill levels are competing. The main goals of this system are to:
-
Keep vehicle tech easy for event organizers.
-
Make classing easy and fair for competitors.
-
Keep the events exciting to compete in.
Classes




Defintions
-
Production Vehicle - Mass-produced identical model passenger vehicles, offered for sale to the public that are designed to be driven on the street.
-
Treadwear - The UTQG rating that is stamped on the tire from the factory.
-
Tire Width - The factory rated width of the tire.
-
DOT Approved - Department of Transportation approved tire, signifies that the tire can be used on the streets.
-
Street Legal Vehicle - Vehicles that are registered & insured and can be legally driven on the street.
-
Full Factory Interior - An interior that retains all the components it had from the factory.
-
Bolt In Aftermarket Interior Part - An aftermarket part that replaces a factory part or adds a safety component to the interior of the vehicle.
-
Muscle Car - American front engine RWD cars
-
AWD - An all wheel drive vehicle
-
RWD - A rear wheel drive vehicle
-
FWD - A front wheel drive vehicle
Vehicle Tech
Only the winners of each class will need to be inspected to ensure they are within the rules. Only 3 things need to be checked and referenced to the classing rules:
-
Check the vehicle model
-
Check the tires
-
Check the interior of the car
Unsure of how to find Width, Treadwear Rating & DOT Stamp on tires?