I am in the long process of getting our 55 customline going. It is driveable but I still have a long ways to go. I currently have a stroked 302 (331cid) and a c-4 but I am gathering the parts to do a t-5 swap. I have a question for you all. Summer is coming (although it don't feel like it right now) and I would like to put a/c on the car for summer. Is there a heat-a/c box that is junkyard available that can be adapted to these cars and fit pretty well? I have thought about under dash a/c and I have looked at the kits from cl***ic auto air but I would like to hear from someone that has a/c and what you used. The less costly the better. LOL. Thanks in advance for any help you all can give.