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

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?

I think you need to find out what sort of heat range the surface is going to get to.

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.

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!!

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.

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.

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

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.

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.

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

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 )

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

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

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