Yesterday on the way to Bryan and back the Fairlane ran at a constant 190 degrees (130 miles round trip) but when I checked the radiator today there was about a pint of coolant in the overflow bottle. I could also see the top of the core at the inlet. So I poured the coolant back in and topped it out again.

Question is this: Is this normal and I'll just have to keep an eye on it after a long run or should I look into some kind of return system to automatically put it back in after it cools down?
Em