Kristopher Posted May 30, 2011 Report Share Posted May 30, 2011 could you do the firmware upgrade on the g3 to the g4 rx rotary ecu? Quote Link to comment Share on other sites More sharing options...
Simon Posted May 31, 2011 Report Share Posted May 31, 2011 You can go from G3 to G4 firmware. But it wont make it in to a G4 RX as this ecu has different hardware. Quote Link to comment Share on other sites More sharing options...
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