Automatic Transmission Design is a full service automotive repair shop servicing Cars, Trucks, Vans, SUVs, Diesel Vehicles, Classic & Custom Cars, and Fleet Vehicles. ATD also manufactures high performance racing transmissions, torque converters, and components. ATD's performance transmissions and converters are used in drag racing, off-road racing, circle track racing, road racing, and other venues. Automatic Transmission Design is capable of handling your vehicle's needs, whether the job is big or small. ATD offers FREE Diagnosis & Estimates, which includes an electronic diagnostic scan and test drive.