I must make a little correction about the Omex ECU.
A so called "piggyback" ECU is one that sits between the original ECU and modifies the input and/or output signal in some way to change the fuelling. Typically it might fool the system into providing a richer mixture at certain rev ranges and/or throttle openings to increase the power beyond that which is available using the factory map that has been developed to minimise polution.

The Omex ECU is a complete fuel injection and ignition control unit in its own right. For convenience sake the original Morgan ECU is left in place to control the instruments. You could actually remove the Ford/Morgan ECU and the car would still run but you would have to find another way to drive the instruments and some of the instruments would probably require recalibration if they were connected directly to the sensors.

Peter

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