Having just done the install last week there is almost no reason to not get to nearly exactly 12 o’clock. The book allows for 30 degrees either way but it was so easy to set it straight up.
I just drained, refilled, and burped my system after replacing the thermostat. Even after burping at idle then at 2-2.5k it still drank the reserve as it wasn’t fully burped until the thermostat was able to open, which I had to drive at highway speeds for it to do. Did another fill and it took...