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Exhaust Paint....

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Garry.L
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Exhaust Paint....

#1 PostAuthor: Garry.L » Sun Jun 05, 2016 10:10 am

Anyone recommend a good exhaust Paint?. I've painted an Expansion chamber with Exhaust Manifold paint and even tried VHT BBQ paint but each time it just bubbles up within minutes of the engine running.


TIA
ʎɐqǝ uo pɹɐoqʎǝʞ ɐ ʎnq ı ǝɯıʇ ʇsɐן ǝɥʇ sı sıɥʇ

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Jay1969
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#2 PostAuthor: Jay1969 » Sun Jun 05, 2016 10:50 am

Wurth paint - http://www.ebay.co.uk/itm/WURTH-BLACK-M ... SwxehXOyeA

z1bman recommended this to me, I sprayed my engine crank casings
with this stuff, looks the biz in satin and resistant up to 650 degrees C

~Jay.

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Garry.L
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#3 PostAuthor: Garry.L » Sun Jun 05, 2016 11:01 am

Jay1969 wrote:Wurth paint - http://www.ebay.co.uk/itm/WURTH-BLACK-M ... SwxehXOyeA

z1bman recommended this to me, I sprayed my engine crank casings
with this stuff, looks the biz in satin and resistant up to 650 degrees C

~Jay.


Cheers Jay.

The BBQ paint I used said over 500c and didn't last 'till the end of the road so I'm perhaps looking at something WELL in excess of this for an expansion chamber.
ʎɐqǝ uo pɹɐoqʎǝʞ ɐ ʎnq ı ǝɯıʇ ʇsɐן ǝɥʇ sı sıɥʇ

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nicomkii
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#4 PostAuthor: nicomkii » Sun Jun 05, 2016 11:56 am

Worths every step of the way.

Two points, firstly the pipe has to be clean and oil free 100% and second I found that gradual heating up is the best method rather than going straight up for a long ride to cure it. Do it over a few heating cycles taking it a little hotter each time, then allowing to cool before going a little hotter next time, a heat gun is great for that.
Nico

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z1bman
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#5 PostAuthor: z1bman » Sun Jun 05, 2016 6:12 pm

make sure it is totally oil free & only spray two (light) coats then use a heat gun to dry. run the bike up a couple of times allowing it to cool each time

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Jay1969
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#6 PostAuthor: Jay1969 » Sun Jun 05, 2016 9:36 pm

Forgot to mention - I also sprayed the head and barrels - and baked them
inside a barrel BBQ. Engine not rebuilt yet, but the paint being baked on
should be as effective a treatment as z1bman's I think?

~Jay.


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