Denny certainly has a point, IF the block was also properly hot tanked ..... but my take is just the head was really 'rebuilt' .... also Utah might be blessed with very minerally hard water
"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
