BahnTech.com Automotive Dynos and Dyno Software BahnTech automotive dyno [dynamometer] are moving dynos used to measure horsepower and torque HP/TQ Dynamometer. If you are looking for a GTechPro or GTech like dyno or dynamometer try our AutoDyno automotive dynamometer and dyno; measure Horsepower and Torque today!. Now with Aerodynamic Drag Calculations with Cda and Cd calculations using a coast down calculator and rolling resistance Bahntec.com~Site InfoWhoisTrace RouteRBL Check