Your gladiator after a year or two in the rust belt

[just_another_guy]

I have used fluid film in the past. NH oil undercoating (and similar oil+wax products) is an order of magnitude better. I should have included that after about a month it does turn more into a hard wax but also “soaks” into the metal. Fluid film does not do that and imo should only be used inside the frame and other interior cavities. Fluid film washes right off unfortunately. NH undercoating, while not recommended to be washed constantly, will stay in place unless washed weekly for a year or a strong pressure wash removes it.

None of these products are soaking into metal, it's not a porous material. This seems to be a common misconceptions for some reason. Some products bond to the surface better than others, but they are not penetrating into the steel at all.

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[Gatorized]

Been a couple threads on it, but I think the lowest mileage seen on a delivered Gladiator has been 3 miles. You are right though, is at least some single digit miles just from normal driving off the assembly line and transport movement at a minimum.