2009 Wing Class Rules

1)	AGE
	Drivers age 14 and up may compete in the Open Class. You may compete at age 12 if you have
	competed for 2 prior years in the Restricter Class. A copy of birth certificate or state issued photo
	ID must be provided for any driver under the age of 18.

2)	SHOCKS
	Any shock absorber legal

3)	TIRES and WHEELS
	Any wheel size and tire combination may be used, but tires may not exceed 22 1/2 inches in height.
	Wheels must be held on with 4 or more standard lug nuts or knock-off hubs. Right rear tire must be
	plated NMMA, ASCS2 or MD-57, a minimum 50 durometer compound Hoosier or American Racer
	tire. Tire may be be siped or grooved. Tire durometer check should be done at least 15 minutes
	after the races to allow for cool down.

4)	WINGS
	Wings are mandatory. It is recommended for top wings to be pinned for easy removal in case of
	driver injury. Cars may run any size top wing. No part of the wing (including but not limited to the
	center section, sideboards, or bracing) may extend beyond the tires as driven. Nose wings are
	optional but must be installed so as not to obstruct the driver’s vision. The nose wing must carry
	the same car number as the body nose.

5)	STAGING AREA
	Once a car enters the staging area it is considered race ready. No legality changes may be made.
	If a car is not legal once it reaches the staging area it will be disqualified for that specific event.

6)	SELF STARTING
	All cars must be self starting. Any car requiring a push vehicle from the staging area will
	start at the tail of that race.

7)	ENGINE RULES
	Any multi-cylinder 4 cycle engine (normally aspirated) not exceeding 640cc. Must have
	cockpit operated electric starter, lever manual clutch in car must be functional. Must have
	on-board battery capable of starting a 640cc engine. Must also remain chain-driven off of the
	original countershaft. Any other modifications allowed.