I think "should" depends on what plant it came from, I've seen variations - if the back wall of your truck was interior color rather than "raw", it was painted before the tank went in, tanks were galvanized, so they wouldn't have been painted themselves

Bill


Moved over to the Passing Lane

"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