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Old 02-14-2018, 08:14 PM   #1
1crosscut
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Default Fuel proof paint option

I've been experimenting a bit trying to find a "simple" solution for fuel proof paint for carburetors.

After some trial and error I've had good luck first painting the carburetor with black Rustoleum high heat paint, allowing it to dry for at least a full day followed by several coats of Topflite LustreKote clear fuel proof paint. The clear coat dries and gets tacky very quickly so I was able to apply 4 coats within about a 15 minute time period.
The high heat paint goes on flat but the clear coat brings it up to a high gloss. I was hoping that it wouldn't get quite that high of a gloss but I guess I'm not going to get picky at this point. I've had a sample piece soaking in gasoline for two days now with no effect. Fingers crossed.

I tried some other paint, mostly gloss enamels but each peeled and lifted when the clear fuel proof paint was applied. I would be interested to see if others try it to see if they have the same results.

Sorry about the sideways pictures. Not sure why it doing that to me.
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File Type: jpg High heat.jpg (59.6 KB, 19 views)
File Type: jpg LustreKote.jpg (62.2 KB, 18 views)
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Old 02-14-2018, 08:37 PM   #2
Tom Endy
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Default Re: Fuel proof paint option

See attached article. It appeared in the January 2018 publication of the Victoria Bustle. The flat black in a small can described in the article worked very well . Gasoline did not affect it at all.


The black TopFlite I used for years, which is no longer available, worked well enough, but if fuel leaked out of the bottom of a carburetor the paint would turn soft. However, once the leak stopped the paint re-hardened again.


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File Type: pdf 8-Zenith Paint.pdf (214.7 KB, 173 views)
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Old 02-16-2018, 08:50 AM   #3
Tinbasher
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Default Re: Fuel proof paint option

I use single stage Urethane. It has a hardener that seems to help. The trick seems to be letting it cure for a week or so before you use it. I've had it on my carb. for 20 years and it didn't peel.

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Old 02-16-2018, 10:10 AM   #4
BillLee/Chandler, TX
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Default Re: Fuel proof paint option

LustreKote also makes black if you can find it.
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Old 02-16-2018, 12:46 PM   #5
Chris Haynes
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Default Re: Fuel proof paint option

Go to a model shop and buy Hot Fuel Proof paint used on model airplanes.
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Old 02-16-2018, 01:52 PM   #6
TinCup
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Default Re: Fuel proof paint option

Thanks for the article Tom. I have already ordered the Brodak but had not seen the SIG gloss. I had used the Lustrekote for years and really liked how well it worked and it's quick dry was a plus. It could get soft with a leak but as you stated it would re harden itself. I am anxious to try the Brodak product and will be ordering the SIG today.
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Old 02-16-2018, 02:11 PM   #7
Tom Endy
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Default Re: Fuel proof paint option

Quote:
Originally Posted by TinCup View Post
Thanks for the article Tom. I have already ordered the Brodak but had not seen the SIG gloss. I had used the Lustrekote for years and really liked how well it worked and it's quick dry was a plus. It could get soft with a leak but as you stated it would re harden itself. I am anxious to try the Brodak product and will be ordering the SIG today.


LustreKote in years past offered a dull black, then discontinued it. Then in the last year or so they discontinued the gloss black. I don't know what the story is, they still offer the same paint in other colors.


I am very please with the paint described in my article. The carburetor in the photo was painted with the dull paint and it is not affected by gasoline. It holds up much better than the LustreKote.


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