get some flushing solution, soak and flush the block well before you put in the new rad, refill with soft water and keep the right antifreeze in it .... and use the truck, don't let it just sit the next 50 years
"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
