I had 14" rally II wheels on my factory 4 piston disc, but they were not Firebird wheels. I think they were from a full size of a different year. My point is, and people who know more than me can help, I belive there were different 14" wheel offsets depending on whether it was a drum or disc car. That being said, they may fit under some 14" wheels, and not others.
I know that washing and waxing my car with the present condtion of my paint is like polishing a turd.....but it's my turd and I want it polished!