first thing to notice is that the rad ahould only be filled when up to operating temp, and rad should only be filled to an inch below the neck max - as Slo sez, quit topping it up and it'll be fine
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
