Painting new heater boxes

[Glenn]

I need to protect brand new Dansk heater boxes. Tiger @ A1 suggested just spraying them with VHT.

I figure satin black with be best to clean if they get oil, dirt, grease on them.

Yes / No ?
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Glenn
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[anthracitedub]

I used regular high heat engine paint on a set on an engine I built almost 20 years ago... still looking ok. I would imagine the VHT would be even better. I used VHT silver on my recent 40HP build for the muffler... haven’t ran it enough to confirm... but I think it would hold up really good on boxes.

[rugblaster]

I just let them get dirty as fuck after an initial spray of dove grey.
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[gt1953]

Glen you may be onto something with the black. Oil grease rode grime is all within that part of the color wheel of black so why not.
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[modok]

Sandblasting or beadblasting makes any paint adhere far better. Wipe down with wax/grease remover, and do a good job spraying, it'll look every bit as good as powdercoat.
I'd have to say it's going to be mainly cosmetic tho, they will probably rot at the seams and interior, since they have no rust protection whatsoever in there.

[Glenn]

[ps2375]

Cerakote will last and protect. And is a true hi temp coating.

[allamaabroad]

I used satin VHT on my heater boxes, and they get real hot with my setup. Paint is still real nice after almost a year, and has held up to its fair share of oil leaks and road salt.

Definitely recommend blasting them beforehand, the VHT is pretty picky about proper adhesion.
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[67rustavenger]

[quote="Glenn"]I need to protect brand new Dansk heater boxes. Tiger @ A1 suggested just spraying them with VHT.

I figure satin black with be best to clean if they get oil, dirt, grease on them.

Yes![/quote]

My CSP heater boxes are satin black and look great.
Though like Glen said. The insides are not coated. So we'll see how then hold up to the winter rain.

Good Luck.
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[glutamodo]

Call me a purist, but I prefer fresh air heat exchangers to be externally coated in gray. My 62 is stale air, that's different (black), but my Baja, that's fresh air and I keep them gray. Yes, they need to be painted! But I really don't think color makes any difference as far as heat delivery.
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[vwracerdave]

Yes get the VHT 1600* header paint. Follow the directions on the can. Sandblast the heater box. Use the VHT 1600* primer then the paint. Again follow the directions on the can and BAKE them in an oven. That is the absolute best you can get out of a rattle can. I have done headers like that and they last several years.
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[calvinater]

Rutland high temp stove paint.
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[Q-Dog]

Satin and flat paints are harder to clean than gloss paints ... if that matters. VW painted them gray so I do too. Never used high heat paint. The outsides don't get hot enough to burn paint except for the forward pipe and flange that attaches to the head.
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[Xevin]

[bluebus86]

[PuddleRainbow]

Hello, I replaced one on an FI bug and cleaned and painted it with some Hammerite I had on hand about two months ago. Looks good so far.