The Ford MG1CS036 ECU used in the latest-generation S650 Ford Mustang has been quite the challenge for tuners wishing to extract more power from the car, much as it was for Nissan GT-R tuners when the ...

Back in 2022, the S650 Mustang arrived to much anticipation, but with one frustrating caveat: Ford made it clear that it would lock down its ECU, leaving tuners shut out. That move effectively stalled ...