Used Transmission: A Cost-Effective Solution for Reliable Performance
  For car owners who want to restore smooth shifting without having to pay for a brand-new unit, a used transmission is a great choice. These transmissions, which come from well-maintained donor...
6L80 Transmission Overview: Power, Precision, and Reliability
  General Motors created the 6L80 Transmission, a 6-speed automated gearbox, for heavy-duty and high-performance applications. It provides the ideal balance of power and seamless shifting and is...