Originally Posted by planenut

Thanks Chris. 👍 I have learnt that the later S&S ECU will not accept an earlier ECU map though. Sorry for the thread drift.


That is why I changed my whole ECU for a G56 one. Expensive but I have never regretted it. Fitting the G56 exhausts reduced the cylinder head temperatures next to the exhaust exits, compared to the heavily baffled originals by around 80ºC.

Wilson