I just had to replace my radiator, ~70K miles.
The plastic passenger side tank had separated
from the aluminum cooling stack. Saw rust all
over the affected area, and a puddle on the floor.
About $100 for an OEM replacement good for most
situations, up to $600 for a thicker radiator.
Lets "discuss" again whether any modifications are
necessary for a Fluidyne "drop in" radiator....