I have worries about the reliability of the standard Ford ECU, tweaked by Morgan.
Is your concern about the physical reliability of the ECU, or the reliability of the engine once it is running the changed software?
On the former, I cannot see in any way how the ECU itself can be affected by the software it is running, these things are engineered to last years and years and hundreds of thousands of miles.
On the latter, Cain's map seems to be very well tested by both him and other customers, and although I have no personal experience on my car, I've heard nothing but good about it.
