| CLASS |
DEFINITIONS |
| Stock |
This class includes mass produced
vehicles able to be used for normal street driving. Stock Category cars
must compete in their showroom configuration with only minor
modifications allowed such as aftermarket shocks, wheels, and tires.
Other minor modifications are allowed as well, so please refer to the
Solo Rules for details.
|
| Street
Prepared |
Any and all Stock Category vehicles are
eligible for Street Prepared. You're also allowed to make modifications
to the suspension, ignition, intake, and exhaust to further enhance the
performance of the vehicle. No internal engine modifications are
allowed, but minor changes to the bodywork to accommodate larger wheels
and tires are permitted. Please refer to the Solo Rules for details on
the allowable modifications.
|
| Prepared
- Class A through Class F |
You'll find high performance,
production based non-street-driven vehicles here. Cars retain their
original design, structure, and drive layout unless otherwise specified
in the Solo Rules. Minimum weights are specified for all cars as part of
the classing structure. Please refer to the Solo Rules for details on
the allowable modifications.
|
| Modified |
These vehicles are heavily modified
specifically for the purposes of competition. You'll see excessively
altered Prepared Category vehicles as well as formulas, single-seat
specials, dunebuggies, and kit cars. Please refer to the Solo Rules for
details on the allowable modifications.
|
| Street
Touring® |
A new concept started in 1997, which is
optional for Regions to offer at the local level and is part of selected
National events. This category allows sedans (four seaters) with a
maximum displacement of 3.1L, normally aspirated. This category is for
the popular street cruisers with lowered suspension, air filter systems,
and wider wheels. The category consists of two classes; STS for street
tired cars and STR for "R" compound tires. Please refer to the Solo
Rules for details.
|
| Street
Modified |
Another optional class for Regions at
the local level, but offered at selected National Solo events. Similar
to Street Touring® except that extensive drivetrain and suspension
modifications are allowed. Please refer to the Solo Rules for details.
|
