Jefferson Late models are sophisticated race cars where the specifications have attempted to control the cost of competition. While these cars are similar in many ways to their Super Late Model brethren, they are significantly less costly. A Jefferson Late Model begins with a made for racing chassis, (105 inch wheelbase), in fact, many began as Super Late Models. At the present time about 50% of the cars use a production Chamber front stub while the rest are fabricated from tube steel. Coil-over suspensions are permitted and steel bodied stock type shocks are required. The engines have a maximum displacement of 362 cubic inches) limited to a 10.8 to one compression ratio, and must use a wet sump oiling system. No machining of the heads is allowed, and a stock aluminum intake and Holley 4412 carburetor is required. This engine configuration has proven economical to build, reliable to operate, and can provide up to 450 horsepower. Beginning in the 2003 season, these cars use eight-inch Goodyear D2562/D2563 racing tires. These cars tour the quarter mile in 14.75 seconds. With an average field of approximately 30 competitors per night the racing is extraordinary competitive.
The Sportsman Class car is an eight-cylinder stock car based on stock production compact cars. These cars began as mid 1980's Monte Carlo's, Gran Prix, and Thunderbirds. All cars have been modified for driver protection (roll cage, racing seat and belts, fuel cell, etc.). The chassis is predominately stock. The engines are limited to 362 cubic inches, flat top pistons, stock heads, and limited cam lift. This class has proven to be popular with those seeking to learn how to set up a car so as to advance into the late Model division.
An International Class car is a four-cylinder race car based on stock production subcompact cars. These cars began as a Mustang, Pinto, Rabbit, or Celica and are converted into a race car. All cars have been modified for driver protection (roll cage, racing seat and belts, fuel cell, etc.). The chassis and engines are predominately stock. This class has proven economical to build and has provided some of the wildest racing at the speedway.
The Hobby Stock car is an eight-cylinder stock car based on stock production cars. These cars began as mid 1970's Monte Carlos, Gran Prix, Caprice, Torino, Thunderbirds, and a few older Chryslers. All cars have been modified for driver protections (roll a cage, racing seat and belts, fuel cells, etc.) The chassis is absolutely stock. The engines are limited to 362 cubic inches and 10.8 to one compression. This class has proven to be popular with beginners on limited budgets. The racing is extrodinarily competitive and a few of these drivers have progressed to the more sophisticated divisions.
Introduced in the 2001 season, the Bandit car is a "Pure Stock," four-cylinder, front-wheel drive stock car, based on production, 1960 to 1995, American or foreign, automobiles. This division races every Saturday night. The only modifications allowed to these vehicles are for driver protection (roll cage, racing seat belts, fuel cells, etc.) The chassis, and suspension is absolutely stock. The Bandits use the infield pit access stripe and turns one and two, as their racing area. This is the fun and affordable racing division, for those who want to discover the joys of racing, without spending a lot of money!