AVL dynamometers simulate race conditions for key parts of race cars
How can Sprint Cup teams accurately test an engine without leaving the shop? The richest ones use an AVL dynamometer to make the engine think that it is in a car on that week's track.
For all you gamers and virtual racers out there your ultimate fantasy world just might be a Sprint Cup race shop with all of the gizmos and gadgets the teams now have available to them. They can literally run an entire race on the many different machines in their shops to test engines, transmissions, rear gears, shocks, chassis geometry and just about everything else on their race cars.