Bill - A prior owner had put an overflow bottle on my '66, in front of the radiator (PLENTY of room) on the driver's side. Seems like an easy thing to do and easily reversed if you want originality later. I believe a different radiator cap is needed. Bob PS I switched to DexCool about 5 years ago and it still looks clean and clear. > > I was wondering if anyone had tried to put a coolant overflow canister > on an older Imperial. Today was a pretty hot day here in So. Cal., and > I drove my '59 to work. I had a few associates tell me my car was > leaking coolant, but I told them the older cars just have a tube > running to the street, which is why you had to check the water every > time you gassed up. Today I had quite a bit boiling out in a river > through the parking lot, since I just topped off the radiator the last > time I drove it. After seeing how much went out, I will have to check > it for coolant before I drive to work tomorrow, and when we get some > of the really hot 100 degree days in summer, I'm afraid I will have to > carry around a jug of coolant in the trunk. It would be easy to put in > an overflow canister, and there is plenty of room. I was just > wondering if it would work? > Bill '59 Crown