Stanley Steamer would have needed water to cross Ornament Valley.
Stanley Steamer could have found and named "Radiator Springs".
Stanley Steamer doesn't have a radiator.
Stanley Steamer has a boiler and consumes water just like the Disneyland Trains.
The sign on the water tower in RSR is wrong..... It reads:
"Stanley, sxploring out west, overheated as his radiator water boiled away."
Steam Cars and Steam Engines need water to operate.
Steam powered vehicles use water by boiling water and using the steam to move the vehicle.
Stanley could of found Radiator Spring, but he did not need water for "his radiator".
Stanley needed water for his BOILER.