I have a Badger 150 also. It's a easy to use airbrush with good results! With a regulator in line, you should have no trouble at all. 15-25psi seems to be a good spot on that. And about a 50/50 mix, with light multiple coats of paint. But the results will be better with a good primer coat first! I look forward to seeing the results as you do your re-build!! David S.