COMPUSHIFT II is the latest generation transmission control system from HGM Automotive Electronics, Inc. COMPUSHIFT II operates automatic shifting, paddle shifting, and torque converter clutch lock-up for a wide variety of transmissions, allowing the owner to customize performance and the driving experience.No laptop is needed to program the COMPUSHIFT II, but a PC can be connected via the USB port for system software updates and tuning if desired. The system is delivered with versatile factory-set programming for a wide variety of transmission and engine combinations.Throttle position measurement, needed for proper transmission shift timing and control, can be taken from an existing fuel injection system signal (harness provided), or a throttle position sensor (Acculink) can be used for gasoline carbureted engines or mechanical injection diesels.Dual CAN buses can connect to existing engine management or body control computers. A MAP sensor can be connected for turbocharged applications if needed. The kit includes all of the necessary cable harnesses and a handheld display.

GM 4L80E / GM4L85E

GM 4L60E / GM4L65E

GM 4L60E transaxle (Corvette)