RULE CLARIFICATIONS AND CHANGES -- June 15, 2013
Tires MAY be grooved and siped. (CHANGE OF RULE 12B)
366 cubic inches and smaller must weigh 3100 lbs.
367 - 412 cubic inches must weigh 3300 lbs.
Minimum wheel base on all chassis is 104 inches.
Drivers who are using Hoosier DOT tire must have a 50 lb. weight mounted on left rear that can be removed after crossing the scales in order to be weighed.
BEGINNING JULY 13 ***** NO HOOSIER DOT TIRES!