Losing Antifreeze
91 civic LX, 1.5
Just changed engines, changed timing belt, water pump, thermostat, all air and water hoses. Am losing about 1 cup of antifreeze per 100+ miles. Can't see any dripping from hoses, no white smoke, oil is fine, no oil in antifreeze, car runs fine, normal temp. Where is the anti-freeze going? Should I change the head gasket or wait to see if leak gets bigger?