Originally Posted by Smaky
...I.E a CF2 in a 146 will have a 1.5.5 ECU whereas in a 156 it will be a 7.3.1 ECU, same engine different HT setup and mildly different timing on the ignition.
I know this won't get a good reaction, but that is wrong.
CF2 156 TS (manual box) have M1.5.5 (Basic cable throttle), CF3 156 TS have ME7.3.1 (fly-by-wire throttle).