Originally Posted by High Plains
I plan on spraying the underside of my truck with this stuff: https://www.cosmolinedirect.com/cosmoline-rp-342-heavy-spray-military-grade-rust-preventive/
Kind of a waxy oil/grease.
Still plan to keep my truck out of the salty roads if I can help it.
I not sure that would be a good idea. It never hardens and stays somewhat sticky. Dust and dirt would stick. I would consider using undercoating or spray bed liner.

Phil
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1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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