GM SuperMatic Transmissions Make Swaps Simple

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

About the author

Paul Huizenga

After some close calls on the street in his late teens and early twenties, Paul Huizenga discovered organized drag racing and never looked back, becoming a SFI-Certified tech inspector and avid bracket racer. Formerly the editor of OverRev and Race Pages magazines, Huizenga set out on his own in 2009 to become a freelance writer and editor.
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