UPDATE:
The small leak in the HE was not the culprit. Water still disappearing. Water must be in the cylinders, car is hard to start, missing with white smoke until motor is cleaned out. Motor then runs fine. Had the blower, etc. removed with no signs of water or leak. Pressure tested...
Have a 2007 that I purchased new. Years ago installed upgraded dual fan HE, intercooler pump, higher capacity reservoir, etc.. Recently I've noticed that water is disappearing from the reservoir at the rate of a pint per 150 miles. I can't find any leaks and concerned leak might be inside the...
Have had a Gen 1 on my 07 for years which has given me very good service. However, for $250 and trouble of installing I would leave the Barton in place.