Exhaust manifold paint

strutaeng · Jul 22, 2024

I'm thinking of painting my OEM exhaust manifolds...what is a good paint for that? VHT flameproof (I've used that for transmission cases before), POR-20 high temperature? Saw a much older thread elsewhere someone said high temperature grill paint?

Mudsport96 · Jul 22, 2024

Ceramic coating is about the only thing worthwhile. Why do you want to coat the stock manifolds?

gooffeyguy · Jul 22, 2024

I've used the VHT stuff, but not on manifolds, only to touch up weld areas like when installing O2 sensor bungs, etc.

strutaeng · Jul 22, 2024

Mudsport96 said:
Ceramic coating is about the only thing worthwhile. Why do you want to coat the stock manifolds?

Just for appearance. I painted my engine when pulled it to freshen it, and painted the frame. Exhaust manifolds are the only "rusty"-looking things in there now...

Blackcar · Jul 22, 2024

I have use this in link before.

Calyx Manifold Coating 3 oz

Rub-in an instant, long-lasting,cast-iron luster

www.eastwood.com

Mudsport96 · Jul 22, 2024

strutaeng said:
Just for appearance. I painted my engine when pulled it to freshen it, and painted the frame. Exhaust manifolds are the only "rusty"-looking things in there now...

Gotcha. I coated a set of factory manifolds for my tahoe, but never got around to putting them on the rig.
I used a 2 part compound we had at my old job. It was used for coating the aluminum melting furnaces. It was applied then heat cycled to 400 for an hour, then 600 for an hour, then to 1000 for 3 hours. Then cooled down 100 degrees every hour to 100. Turned out pretty good looking but haven't put them on anything yet.

Exhaust manifold paint

strutaeng

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Mudsport96

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gooffeyguy

Tom

strutaeng

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Blackcar

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Calyx Manifold Coating 3 oz

Mudsport96

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