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Reply to "Undercoating and Rust inhibitors"

Tim,
My experience with media blasting the undercoating was not too successful. The tar is soft lessening the media's effectiveness. They shot the whole car with media but had to use sand in the engine compartment at low pressure.

With a unibody, the media makes a mess collecting in all of the rocker boxes and joints. Takes a lot of effort to remove the overage out of all of the blind holes.
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