The guy I bought my 85 from took it to a shop to find out why the ac would not hold the charge he was told everything under the hood was sealed and it is the evaporator or the fitting, now I have to order that part and have the shop put it in and recharge it. I have looked at Auto Parts Warehouse | Car Parts, Truck Parts & Auto Body Parts Online - Free Shipping on most Auto Accessories & Performance Parts AutoPartsWarehouse but there are 4 different options and I'm not sure which one to get. Can anybody help me out?