X-Cup Challenge Rules

•  Competing models – Any past or present Grand National type truck arm car or truck.

 • Body – Any steel or composite body as it was originally produced. Spoiler size will be a maximum of 6 ½” tall by 61” wide. Super Cup nose allowed with 50-pound reduction.

 • Weight – 3,300 pounds with driver, maximum 55% left side weight.

 • Tread width – 61”center to center, measured outside to inside of front wheels on the rim gutter at spindle height.

 • Wheel Base – Must be minimum of 105” on one side of car, other side may be plus or minus ½”.

 • Engine – Any engine allowed with a maximum of a 4-barrel carburetor.

 • Transmission – must have four forward working gears and cars must use steel drive shaft.

 • Wheels and Tires – Maximum 10″ wheels. Tires must be black and round.

 • Driver’s age – Drivers must be 14 years of age to compete in this division. There is an exemption process. Please contact Langley Austin at 276.613.4208 to be considered for an exemption.