I think it was the big FICM tunes that added the heat and smoke. Because the ficm tunes I've ran from ID....they didn't add any more smoke or increase the egts. Actually there was less smoke with ID's ficm tuning combined with ID's ECM tuning. And I've been running Eric's ficm tuning since 2008...no custom ficm tuning back then.
You're about the only one I can think of that experienced that. Granted there aren't many running both right now anyway. I know Greg at MPD and a few others had issues until they had the tuning custom done for the ECM and FICM. I mean, anyone is certainly welcome to try it and see how it goes, it's all relatively new anyway. If it works good and doesn't add smoke or heat, then perfect! Just something to think about and keep an eye on. Custom tunes for the FICM are available now upon request.