Late Model Nationals - IA: $40,000 Shootout - GA: formerly Hav-A-Tampa Shootout Pittsburgher - PA: early Oct. Blue-Gray 100 - SC: pivotal regional 25+ year event Dirt Track World Championship (DTWC) - OH: recently increased from $50K to $100,000 World Finals - NC: Live prime time TV coverage of three series finals National 100 - AL: south's most prestigious race Turkey Bowl - MO: 3 days of racing action Gobbler - TN/GA: pivotal regional 25+ year event scheduled weekend before Thanksgiving Gateway Dirt Nationals - MO: indoor race featuring super late models, modifieds, and midgets Modified production cars These cars are modified manufactured automobiles. There is a high degree of variability between classes of modified cars. The lowest divisions of modified production cars may be completely stock except for having their interior or windshields removed. The highest divisions of modified production cars may have only a few original stock parts, and may be nearly as fast as late model race cars. Most cars have their glass windshields removed and their interiors stripped out. The original seat may be allowed to be used in the lowest classes, but a racing seat and roll cage is required to be installed in higher divisions. Other safety and performance features are added to higher division cars. The engines in lower divisions are completely stock, and higher divisions are highly modified and enhanced. Most modified production cars use full exhaust systems. Engines vary from unmodified 4 cylinders to highly modified V8. Cars in lower divisions use stock tires, and higher division cars use purpose-built specified racing tires. Common names of modified production car divisions: Limited late model (604 crate LM) 602/sportsman (A-hobby/cadet/super street) Pony/mini stocks (4-cyl.) FWD front wheel drives (stingers/hot shots/hornets) BJP Racing or B&J Performance is among the highest ranking 4cyl race cars in the country Bombers (hobby/thunder/outlaw stock/pure stock) Cruisers (Road warriors/renegades) Legends/mod lites (dwarfs) Unmodified production cars These cars are automobiles just as driven on the street; including the original interiors. The engines may be modified as allowed under different rules:Saloon Motorcycles Dirt and grass track bikes have capacities of 250, 350, 500 and in the solo classes and can reach speeds of up to on the straights and with no brakes fitted to the machine. The American Grand National dirt track championship uses motorcycles of up to 750 cc capacities and can reach speeds of up to . There are