Packard Forum Index » Post-War (1946-54)

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In fact, that coating tends to trap moisture if anything. It didn't matter to the design because they didn't care about stuff that would only be a problem 40+ years in the future.

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Ross recommended those self-stick rubber sound deadening pads to me in the past. Doesn't need to be full coverage as a large amount of their effect is being a "shock absorber" for the otherwise-resonant metal which would otherwise tend to amplify sound (compare how a bell works for the "resonant" example). The thickness of the pads themselves forming a direct barrier is secondary. So just stick them where you can, don't kill yourself trying to surface prep the entire inside of the door. 50% coverage will likely be satisfactory.

I scraped most of the original sound deadening off the inside of my doors. Most of it was flaking off anyways and there was rust underneath the flaking spots. So I scraped what I could, wire brushed the rust, then wiped on some Ospho. I can't remember if I spray painted the inside or not. But I did throw apply some of the sound deadening mat that PGH talked about. Helped a ton with the panel resonance.

What?!?! Packard didn't know I would be fixing up a Cavalier 72 years after they produced it!?!? I think Packard, owners, engineers, designers, employees, etc would be happy to know that all these years later people are restoring and enjoying the cars they produced.

I have some of the sound deadening panels left from the floor pan, I think I'll stick a couple in each door. Don't kill myself, do you mean don't spend too much time? Too late for that, I'm the guy cleaning and restoring clips, screws, etc!