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Expert
Posts: 2264
Location: McComb, Mississippi | I'm starting the cleanup of the inside quarter panels/ trunk of my Imperial. Much of the factory sound deadening spray is still intact with only a few places where it has flaked off exposing the metal.The rust is only on the surface and can be sanded off. I planned on removing all of the sound deadener and was going to liberally apply POR-15. However, this undercoating is stuck and is very hard to remove. What is the consensus on leaving the intact undercoating in place and apply the POR-15 only to the areas where the metal is exposed? I want to keep the car in rust free condition for another 50+years. Any and all suggestions are welcome .
Edited by plymouth 2019-09-26 3:18 PM
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Expert 5K+
Posts: 9900
Location: Lower Mainland BC | .
My 56 Dodge trunk was pretty good. However, the inside of some of my doors were not as good with some of the sound deadening flaking off, allowing surface rust to start. Through lots of boring scraping and wire brushing, I eventually got it all off. Then I used Rust Check brand spray on Rust Converter and after that was fully dry ( a day or two), I used either Zero Rust paint or Rustoleum (Professional Grade is faster drying) and probably Tremclad rust paint as the final coating.
Some info here: http://www.forwardlook.net/forums/forums/thread-view.asp?tid=64336&...
Good luck. It's messy and ugly but you will sleep better and your car will love you for it.
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Expert 5K+
Posts: 7398
Location: northern germany | plymouth - 2019-09-26 3:16 PM
I'm starting the cleanup of the inside quarter panels/ trunk of my Imperial. Much of the factory sound deadening spray is still intact with only a few places where it has flaked off exposing the metal.The rust is only on the surface and can be sanded off. I planned on removing all of the sound deadener and was going to liberally apply POR-15. However, this undercoating is stuck and is very hard to remove. What is the consensus on leaving the intact undercoating in place and apply the POR-15 only to the areas where the metal is exposed? I want to keep the car in rust free condition for another 50+years. Any and all suggestions are welcome .
Why remove something original that worked so well for 50-60 years? Just leave it there and remove only the few places where it is flaking. This always worked for me, less work too. The heavy factory deadener still looks like new in 60 Fury and it will another 60 years. |
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Expert 5K+
Posts: 9663
Location: So. Cal | I agree with Sid. If I can scrape it off easily, then it comes off. Otherwise it stays on. |
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Expert
Posts: 2264
Location: McComb, Mississippi | Looks like I'll just scrape off the loose stuff and rust treat the small areas. Thanks |
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Expert 5K+
Posts: 8947
Location: WHEELING,WV.>>>HOME OF WWVA | plymouth - 2019-09-27 9:51 AM
Looks like I'll just scrape off the loose stuff and rust treat the small areas. Thanks
good idea! |
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Expert
Posts: 2264
Location: McComb, Mississippi | One last question. The seam where the trunk pan and quarter are joined had some kind of caulk type material in the trough of the seam. Some of this caulk has crumbled and I'm wondering what I should fill this trough with? Thanks |
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