Im dropping the axle on my 78, just wondering, is there any type of swivel fitting on the rubber brake line that goes to the axle? if not, how do I disconnect it without twisting the heck out of the line?

 

There is no swivel on the rubber brake line fitting. There are however some flats spots on it that you can use a wrench on, to hold it still. Don't forget to soak the metal fittings of your brake "hard line" for a while with WD40 or similar before trying to disconnect them.