[jmatta]

"I don't think I'd want to drive around with the bleed valve open because of the risk of overflow, not to mention condensate buildup in the trunk. But if that works for you, that's how you should do it".

Have never bled my system, though the car is seven years old with 15k miles.

Just thought it was interesting that a Porsche Tech would post that comment.

I'm seriously considering installing the low temp t-stat this spring, so I'll likely find out what works the best.