| [ Total Views: 1092 | Total Replies: 12 | Thread Id: 14034 ] |
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 57kombi
Son of Jim - Creator of Good
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| posted on October 2nd, 2003 at 08:42 PM |
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WHAT PAINT FOR EXHAUST
O.K. I am going to paint the extractors and I am having them shot blasted, has anyone used a paint that will stay on or not go white.
I did use some stuff years ago , think it was VHT or something???
but that went white in about half an hour,.
Cheers
Dave:jesus
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Boozer
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| posted on October 2nd, 2003 at 09:10 PM |
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yeah i'd be interested in this as well, cause i've sandblasted and repainted with heatproof paint my extractors twice now and they keep
peeling off and rusting up, why? |
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LOWBUG
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| posted on October 2nd, 2003 at 09:14 PM |
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HOT HOT HOT........
I think you need to find out what sort of heat range the surface is going to get to.
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amazer
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kombi pilot
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| posted on October 2nd, 2003 at 09:37 PM |
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This topic has been covered before, try using a search and see if you can find it. Generally the concensus is that no paint works. Its certainly my
experience. If you want your exhaust to stay one colour then the only real option is ceramic coating. Its brilliant.
Chris.... kombi pilot, oval dreamer... finisher #26971 2005 city to surf
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RSI
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| posted on October 2nd, 2003 at 09:46 PM |
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if you use heat proof exaust paint and cure it properly it should last quite a while without changing color or burning off!! but the best option is to
CERAMIC COAT!!
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amazer
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| posted on October 3rd, 2003 at 10:32 AM |
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Yep, thats what the side of the can says. But have you ever had any luck with it? I've used the cheap brands and the expensive ones with
temperature ranges all over the place, but none of them seem to last for too long.
Chris.... kombi pilot, oval dreamer... finisher #26971 2005 city to surf
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Baja Wes
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| posted on October 3rd, 2003 at 10:46 AM |
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I used one brush on heat proof industrial aluminium paint that I found in my mates dads shed when he was having a clean out. It worked very well. I
don't know what brand it was or where to buy anything similar. We used some good paint at process plants, but the smallest tin you can buy is a
20lt drum.
Recently I tried some POR15 exhaust paint. I sandblasted the exhaust, painted it, and cured it. It survived the trip to Valla no probs. Then I
dribbled some WD40 on it and to my suprise it washed the paint off!
It's been 2 months now and it is starting to flake off in places. Once I get a bigger exhaust on I will get it ceramic coated.
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68AutoBug
A.k.a.: Lee Noonan
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| posted on October 3rd, 2003 at 11:06 AM |
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57 Kombi
I have used VHT exhaust paint for years without it ever peeling off. I used White coloured paint so I can't comment on whether it would go white
when hot !!
The only other Very High Temp Paint I have used is John Deere Exhaust Paint. It only comes in Black and also lasts forever..
I believe these paints are cured by the exhaust heat so I don't think You can spray them on and leave them for weeks before starting the
engine..
These paints are around $20-$30 for a large spray Can.....
Naturally, ceramic coating by Richard Holzl is the way to go...
and they look unreal also.... but its not cheap... but its guaranteed to last...
Lee
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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Boozer
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| posted on October 3rd, 2003 at 05:57 PM |
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Ok I think i'm gonna save my pennies and ceramic coat the bloody thing. Where? How much? and what will it look like in the end? I'm getting
sick of having a rusty exhaust. |
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Baja Wes
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| posted on October 3rd, 2003 at 06:52 PM |
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your engine performance also determines if the paint will peel. I find 1600 stockers can survive for ages without peeling, but tougher engines like my
old 1915 put too much heat into the exhaust and it flaked off.
My mate had a 1776 baja, and painted his exhaust with aluminium coloured kill rust brush on paint. It smoked and stank the first time it was run, but
then stayed on for ages. Good ol' kill rust.
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fuz
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| posted on October 3rd, 2003 at 09:57 PM |
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before it start ceramic glaze is the go, look at old ovens
ok.. now im not exactly sure what temp we are talking about however if you use a decent etch primer (white knight make a spraypak version) and then a
high temp pain (also avail from white knight) and you let it cure properly it should stick indefinately.. if you are interested in black paint (gloss
or matt) then pot belly black is the go that stuff is unmovable..
oh btw i work for bunnings and went on a barloworld training and this is what their experts said (barloworld owns white knight)
hope this helps
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fuz
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| posted on October 3rd, 2003 at 10:15 PM |
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ok here you go more detailed info
MATT FINISH
HI TEMP
Hi Temp is a heat resistant, silicon based, flat finishing coat, especially designed for use on metal surfaces subject to extreme heat.
- Heat resistant to 540 degrees C.
- No primer required.
- Flat finish.
- Designed for use on metal surfaces.
- Handy aerosol application.
GLOSS FINISH
Engine Enamel
Engine Enamel is formulated to provide an extra tough, durable finish which is both heat and oil resistant.
- Tough durable finish.
- Heat and oil resistant.
- Handy aerosol application.
- Fast drying.
- Heat resistant to 120 degrees C.
hope that its useful..
just a question what is the implications with painting it.. is holding temp going to cause it to provide too much heat on the heater boxes? and is
this going to be a problem (interested in following suit :P )
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68AutoBug
A.k.a.: Lee Noonan
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| posted on October 3rd, 2003 at 10:52 PM |
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Boozer,
Richard Holzl sells ready done ceramic mufflers... or I presume He can do Yours.. You can contact Richard at V Force at Mortlake 02 97431247 or email
Richard at
: vforce@optusnet.com.au
cheers
Lee Noonan
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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68AutoBug
A.k.a.: Lee Noonan
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 posted on October 3rd, 2003 at 10:57 PM |
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Cast iron exhaust manifolds - hi temp paint
If Paint can stick to a pot belly stove it will stick to anything...
although I have found that High Temperature paint seems to stick to thick cast iron exhaust manifolds etc much better than thin exhaust pipe which
probably expands a lot more than the cast iron.... or thick exhaust pipe...
Lee
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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pyr0
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| posted on October 4th, 2003 at 11:03 AM |
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yeh that vht stuff works sweet i sprayed the extractors on my dads car with it and it hasnt flaked or turned white very kool stuff i think i got it
from supercheap auto
Founding member of the C'town Rat-Pack
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