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Old 18-06-14, 08:49 PM   #1
adgecutler
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Default How to reveal original paint on an overpainted engine?

I thought in the past I had read some tips on how to remove somebodys "restoration" to reveal original paint, just had a quick search of the forum and nothing has jumped out.
I'm about to start stripping some 'orrible paint off of an engine that still has some of it's original colour underneath. I think a fair bit will just scrape off but are there any tips out there to be had before work commences, I'm reckoning Scotchbright and thinners would be a good start?
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Old 18-06-14, 09:24 PM   #2
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I don't have all the answers, so hopefully somebody will contribute something useful, but...

I wouldn't go near it with thinners. In my (recent) experience, the thinners breaks down all the paint it touches, making a paint soup, then as the thinners evaporates, it simply dries out leaving a mess. I haven't tried what you are proposing, but I don't think you could control it between one layer and the next.

I have done what you want using paint stripper. Newer paint reacts better to stripper, whilst very old paint resists. You brush it on, then as the paint wrinkles, remove it quickly with rags. You are left to remove the details with a scalpel!

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Old 18-06-14, 09:35 PM   #3
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Watching this with interest ! I Have my Bamford Tuliptop that has original paint underneath including some nice pin-striping , A job that i'm gonna try in the winter !
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Old 18-06-14, 09:43 PM   #4
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Wire wool and nitromores should do it, little and often I reckon to make sure you don't go to far. I remember removing the sign writing off a van many years ago with very fine wet/dry and time. Was a poxy job, unfortunately I buggered it up and the van had to be re-sprayed, boss was not happy.
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Old 20-06-14, 05:01 AM   #5
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Hi Jamie
I spoke a little about it on my little blackstone thread in oil and gas engine section but paint stripper in small areas a little at a time. Once the paint is off wipe over with a wet sponge to kill off the stripper.
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Old 20-06-14, 07:25 AM   #6
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Thanks for the help everybody.
Andy, I knew that somebody made a very successful job of this but couldn't recall if it had been mentioned here or on a rally field!
I'll keep you all informed.
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Last edited by adgecutler; 20-06-14 at 07:48 AM.
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Old 24-03-17, 01:07 PM   #7
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I would be more inclined to find a sheltered bit and gently rub it down...you should see the strata develop as you go.
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Old 24-03-17, 02:15 PM   #8
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A bit of cellulose thinners might do the job With care. I use it instead of Nitromors now.
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Old 24-03-17, 02:19 PM   #9
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This job must be taking a long time, Jamie posted his question in 2014 !
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Old 25-03-17, 08:39 AM   #10
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She's been up together and running for a good while now! I should really get on and do something about making a base for her as I'd quite like to exhibit this one.

http://www.stationary-engine.net/for...ad.php?t=32570
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