Would coating inside the doors buy me some time ? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**IT Cowboy** · 02-04-2025, 05:58 PM

I have some paint issues on the truck and there is probably some rust inside so would taking the inside panels off the doors and coating the inside with rust preventative buy me some time or be worth the effort?

At some point the truck will need some rust mitigation and that might involve new panels and paint but I am hoping for quite a few years of fun and keeping it looking ok until I retire and can work on it all I want

**raggedjim** · 02-05-2025, 09:02 AM

Some will say no, but I say if it's already rusty trying to slow it down isn't going to hurt and may even help.

I've had pretty good luck with Ospho (phosphoric acid) and then a moisture cure paint (POR-15, Chassis Saver, etc.)

Good luck, Rg

02-04-2025, 05:58 PM	#1
IT Cowboy Active Member Join Date: Jan 2025 Location: Clarkdale, Arizona in a van down by the river Posts: 140	Would coating inside the doors buy me some time ? I have some paint issues on the truck and there is probably some rust inside so would taking the inside panels off the doors and coating the inside with rust preventative buy me some time or be worth the effort? At some point the truck will need some rust mitigation and that might involve new panels and paint but I am hoping for quite a few years of fun and keeping it looking ok until I retire and can work on it all I want __________________ '72 C10 / 402 ___________________________________________ Freedom isn't safe, it requires you to take responsibility for your own life, your own safety, and your own success. It carries with it the possibility of failure and the understanding that you're working without out a safety net. If you give the state the responsibility for any of these you also give up the freedom that accompanies the responsibility.

02-05-2025, 09:02 AM	#2
raggedjim Senior Member Join Date: Jun 2002 Location: Murray, Kentucky Posts: 3,589	Re: Would coating inside the doors buy me some time ? Some will say no, but I say if it's already rusty trying to slow it down isn't going to hurt and may even help. I've had pretty good luck with Ospho (phosphoric acid) and then a moisture cure paint (POR-15, Chassis Saver, etc.) Good luck, Rg __________________ Roger '68 Short step - https://67-72chevytrucks.com/vboard/...d.php?t=849675 '69 ('70?) 2wd Blazer - https://67-72chevytrucks.com/vboard/...d.php?t=856475 '70 GMC Jimmy 2wd '73 Firebird - https://67-72chevytrucks.com/vboard/...d.php?t=853203 Ideas - https://67-72chevytrucks.com/vboard/...d.php?t=851743

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