The centrifugal clutch of the Mod is a 3 disc 7.5´´ inch Tilton clutch with a homemade fly wheel and a homemade steel clutch bell housing.
regulator, a self built belt drive, homemade injection nozzles, a homemade 2 stage water pump and a homemade fuel and water tank. The Audi cylinder head also was revised by BFS airflow-research in Dronten, the Netherlands. The engine makes around 7500 rpm with this setup.
Thorsten was happy with his first season in the 600kg Modified class. He made a lots of nice passes with the Tractor, but also had some technical issues with the clutch during the season, what cost him the German Championship title in the end. The biggest success for him was the 2nd place finish at the European Championship in France this year. He´s currently working on a new lighter and improved 25CrMo4 tube frame for the 2018 season.