I'm working on an FSX C177RG...
I'm trying to make it 100% FSX compatible... Which means made in Gmax via the SDK, to the letter !
From all the experimenting I've done, I've found that you CANNOT leave something to chance. FS9 planes "updated" for FSX seem to cause lots of problems.. Especially since SP1. They may not manifest themselves right off, but they will.. and probably be compounded as you add more planes that are not 100% FSX ready. The animations are different.. the gauges are different, the models are different, the VCs are different, the texturing is different...
I advise that you limit your FSX hangar to FSX planes only ( NOT planes advertised as FS2004/FSX ). As additional patches come out (no doubt trying to refine some of the new potential), these "modified for FSX" planes will cause more and more problems..
I've been doing this for a few years now, and I've seen some pretty bizarre stuff
