Backing up the E-ROD emissions-friendly engine lineup is GMPP’s new beefed-up SuperMatic 4L70-E automatic transmission and Transmission Controller. They’re designed to simplify the whole process of doing an E-ROD swap, and all the electrical engineering has been done ahead of time – getting the transmission to talk to the engine control unit is literally a plug-and-play affair.
- 13-vane pump with heat-treated stator support
- Five-pinion input and reaction carriers
- High-performance 2-4 servo
- Heat-treated sun shell
- Heavy duty low roller clutch assembly
- Upgraded 3-4 clutch pack
- High energy 2-4 band