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whaletacochamp t1_ir54zp9 wrote

Fluid film is is a natural product made from lanolin. Any undercoating place worth their salt uses fluid film. The sketchy places literally spray your undercarriage with used motor oil.

The bigger thing is, if possible, to park it somewhere on pavement or cement. Gravel driveways and parking on grass are like rust magnets.

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SomeConstructionGuy t1_ir5cgr0 wrote

Waxoyl hardwax holds up better to spray and rocks. Both are good, but the Waxoyl system is significantly more durable than fluidfilm.

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