Other than military miniatures (meaning figures) I can't honestly see how one would use oils to base paint effectively on a model, or I would be doing it. I have a lot of experience as an oil painter (artist) on canvas.
The pigment in oil paints is very fine and one can get tremendous color variation that can only be approximated using MM enamels (which are my model paint of choice). Acrylics are even more difficult to approximate oil pigment and I rarely use them.
I use oil washes to weather to great effect of course, and they dry almost within 5 minutes, because of the thinner ratio.
Japan dryer will crack paint , as previously mentioned, if not used properly and the stuff has a wicked strong odor and purplish tint.