Quote:
Originally Posted by unit731
There is no "one time" rust prevention. It is an annual treatment.
Most don't know about annual oil undercoating or annual Fluid Film (lanolin based). Many dealers don't do this as it is messy AND they prefer the cars to rust so that customers will get a new one.
Should never be compared to "undercoating" which is a sound deadening product - not rust prevention.
The old time "rust proofing" such as Rusty Jones and Zeibart did not work. So the myth arises that all rust prevention is a fallacy. Not true.
Some here will state that "new cars don't rust". That new cars have "special paint" or "special steel". All hogwash.
Those that live in dry climates such as southern Arizona don't have to worry much about rust as there is no moisture in the air (or very little).
Florida cars do rust if one resides near the ocean as there is salt in the air.
Rust prevention is an annual treatment.
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I can't speak for american cars but my wife's 2000 saab 9.5 has spent it's entire life in Maine and has almost no rust at all on the underside, and what little there is, is only a thin surface rust.
As for special steel, it is not "Hogwash", You'll notice that most new bridges being built are not painted because the new steel formulations allow a light protective coat of surface rust to form, this protects the steel far better than a coat of paint ever did.
https://en.wikipedia.org/wiki/Weathering_steel
I do agree with using Fluid Film yearly on my Nissan frontier
bill