Rules

LATE MODELS

Late Model Rules

Right Front, Left Front & Left Rear Tires: Hoosier L/M 20s or 40s on three corners – (Grooving & Siping Allowed)
Hoosier L/M 40 ONLY on RR – (Grooving & Siping Allowed)

 

MODIFIEDS

U.M.P. Modified Rules

The only tires approved for DIRTcar competition are the Hoosier: M-30S and M-60 compounds in the
DIRTcar plated tire 26.5/8.0/15 or 27.5/8.0/15. The maximum width of the tire will be 9” inches.
The M-60 may be used as a right rear option tire. NO GROOVING allowed. Siping permitted on M-30 and M-60.

STEEL BLOCK LATE MODELS

For the SBLM Rules, refer to the DirtCar UMP Late Model rules with the following exceptions.

Tires

LM 40, or WRS 55 Only

Motor

Steel Block and Wet Sump motors Only

Weight

Minimum weight 2400lbs

STREET STOCKS

 

Stock Car Rules

Weight

GM Performance 602 Crate Engine will be 2,900 lbs
The minimum weight requirement at all times will be 3,000 lbs
Set back cages 3,200 lbs

 

Tires

A40, A40S, H40, M30, and the M60 until tentatively June 1st.
June 2nd it will be M30 and M60 only
Siping and Grinding is permitted on all tires.

CRATE MODIFIEDS

Please refer to the the DirtCar UMP Modified Rules, click HERE

With the Following Exceptions:

Minimum Weight 2,450 lbs
5″ Spoiler Allowed

Tires

Hoosier E-Mod 26.5 or 27.5 “A-40S” “M-30S” & “M-60”
NO GROOVING ON ANY TIRE @ ANYTIME!!

Motor

602 Sealed Crate Engine or 360 cubic inch or less steel head motor with a 2 barrel carb that still has the choke horn in place. No Roller Cams.
$4,000 Engine Claim or $500 Plus Exchange + $50 to tow truck

Shocks

No Remote Canister or Schrader Valve Shocks Allowed
$120 Shock Claim or $60 Exchange

Track Reserves the right to claim engines or shocks as deemed necessary.

HORNETS

Sport Compact Rules