I completely reconditioned my engine compartment, front storage, and louvers using Trim Black and I've had great results with it. Everything is holding up extremely well, even after a year of washing it.
As far as holding the can upright, it's a pretty forgiving can. You don't need to be perfect with it. I did a write-up of my experience and I linked it below:
http://delorean6575revisited.blogspo...ent-front.html