This is "driftish", but info for FL owners. The header tank downtube tends to get eaten by coolant, and leaks. Solution is to weld on a replacement tube. On one of mine, the weld job failed,becoming a minor leak,at the right height to run into and around the head/block joint. Thus mimicking a failed head gasket coolant leak. I even bought a head gasket($100 shipped, not too bad at all), which now goes into the parts box.
2005 Integrity 386 "Sojourn"