over ten years on and us 3.7 owners still have no simple route to an ECU flash, allegedly all down to the Factory not inputting the VIN of each build into the ECU when it's fired up for the first time, so ends up with a generic lock, even Ford tuning specialists can't crack it
When I had my 3.7 V6 Roadster a few years ago, I also had a Ford GT. As it happens, Revolve Technologies who developed part of the Ford GT, worked with Morgan on the ECU. My 3.7 engine sounded like a bag of spanners at around 2.5k revs, so they were able to look at it for me.
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