Good luck fighting it.... lots of time and money to battle a large manufacturer. If you have been around long enough tuning Ford/GM/Chrysler/Dodge products, you would know that they are not afraid to deny all warranty on anything modified.
Especially now days. We aren't talking ignition and fuel maps anymore. It's cam phasing (which changes dynamic compression), wide band O2 sensors, fuel systems that run in closed loop WOT, catalytic overheat protection algorithms, boost, shift speed/timing, trannies that make even a Porsche PDK look ancient. I don't blame them.
The manufacturers run these engines through full power dynos that last WEEKS... continuously. They don't know how the end user will treat the vehicle but everyone expects it to last 200k.
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