LATE MODEL and THUNDER & LIGHTNING (Effective April 6, 2013)
HOOSIER
1300 , 1350 , 1450 , 1600
May use Spec tires D11 , D21 , D28 , D45 , D55
Right rear must be a 1350 (D21) or harder at all times
AMERICAN RACER
SD44 , SD48 , MD53 , MD56
Right rear must be a SD48 or harder at all times
SUPER STOCK FOUR CYLINDER (Effective June 1, 2013)
HOOSIER
D28, D55
Right rear must be a D28 or harder at all times.
AMERICAN RACER
SD33 , SD38 , SD48 , HD65
Right rear must be a SD38 or harder at all times
Tire Chart
D11 D21 D28 D45 D55
1300 1350 1450 1600
SD44 SD48 MD53 MD56
Softer —————————————————————————————— Harder
SD33 SD38 SD48 HD65
MODIFIED (Effective June 1, 2013)
For the 2013 season, for all EDGE E-modified division sanctioned events (this includes national weekly and Renegade Modified touring events) only the use of any medium or harder compound 8″ modified racing tire will be allowed. The use of any SOFT compound tire is illegal. Any medium or harder compound which includes the Hoosier M100 & M200 compound tires are LEGAL. The tires may be siped and grooved, however, chemically altering the tire by any means (treatments, etc.) is illegal and strictly enforced.
PURE STOCK V-8
Towel City Retread 27.0 X 8.0 X 15.0 (77 compound) or a D.O.T. approved street radial
PURE STOCK FOUR CYLINDER
Towel City Retread 205/60/13 (77 compound) or a D.O.T. approved street radial
