I have a question regarding the blower and heater unit in my 68Fury III. The car originally had an AC which is no longer persent and I rarely drive it to the extend that I really need the heater either, except a windshield defrost is 100% necessary. So this isn't a question for the purists.... I can imagine that this whole under dash unit is fairly heavy, has anyone removed it before and maybe replaced it with one of those smaller and lighter "hotrod heaters"? I am wondering how would one make it possible to attach the ducts for the windshield and such to a heaterbox like that? I would love to put an AC back into my car but thats way to expensive for what its worth.