Well, it is a feeling but:
it helps if the clothing has about the same poly density as the figure.

Quads calculate faster, but tris have a better cloth flow.

NO intersection at frame 1 is crucial for a good sim.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!