are you sure the new rad is really clean and all tubes open? sure sounds like a problem w/ that if it was runnin at lower temp before you replaced the rad, unless something got into the block and plugged things up
"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
