How long after painting a valve cover before you can drive the car?

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Old Dec 22, 2024 | 11:58 AM
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Default How long after painting a valve cover before you can drive the car?

I'm using VHT flameproof primer and duplicolor engine enamel with ceramic. 2 light coats, and one heavy coat (of both primer and color).

The can says its dry to the touch in an hour and can handle in 3 hours.

It doesn't say anything about starting the car and it getting hot.

How long do I have to wait before I drive it because I'm not gonna have my last coat done until 3:30pm but I really need to go somewhere around 6.
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If I'm careful to install it, would it be okay or do I really need to wait for it to fully cure before driving?
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Old Dec 22, 2024 | 06:34 PM
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Default Re: How long after painting a valve cover before you can drive the car?

I'm really happy with the results, and I'm gonna paint the heat shield underneath the engine tomorrow. Hopefully it doesn't start peeling.


I kind of wish I went with a blue or white color instead but red looks nice too. Do you think the shiny gloss look will last?
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Old Dec 22, 2024 | 09:26 PM
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Default Re: How long after painting a valve cover before you can drive the car?

Take a little bit of acetone on a Q-Tip and wipe it on the raised Honda logos.

Get some high-temp engine block “silver” (or black) and paint your exhaust manifold heat shield.
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Old Dec 22, 2024 | 11:57 PM
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Default Re: How long after painting a valve cover before you can drive the car?

So, to "cure" the VC I always cure it on the engine, basically install it and drive for about 2 to 3 days and by then the smell will go away, and it will be cured. after that take a damp paper towel and wipe the VC clean and dry it off.
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Old Dec 23, 2024 | 01:41 PM
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Default Re: How long after painting a valve cover before you can drive the car?

Originally Posted by Caoboy
Get some high-temp engine block “silver” (or black) and paint your exhaust manifold heat shield.
Should I use primer or just spray the black paint? This is what I have:


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Old Dec 23, 2024 | 03:10 PM
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Default Re: How long after painting a valve cover before you can drive the car?

I’ll be honest, I never primed, I just shot it with paint.
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Old Dec 23, 2024 | 03:40 PM
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Default Re: How long after painting a valve cover before you can drive the car?

Ive painted multiple valve covers for race cars with regular Rust-Oleum paint. I used to stick with the vht but I tried regular spray paint, and you know what? It lasts just fine.

Degrease/clean well. I always use primer on bare metal.
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Old Dec 23, 2024 | 04:17 PM
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Default Re: How long after painting a valve cover before you can drive the car?

Originally Posted by theYBLEGAL
Ive painted multiple valve covers for race cars with regular Rust-Oleum paint. I used to stick with the vht but I tried regular spray paint, and you know what? It lasts just fine.

Degrease/clean well. I always use primer on bare metal.
I agree on the VC, but for the heat shield, I’d use the high temp stuff.
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Old Dec 24, 2024 | 05:27 PM
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Default Re: How long after painting a valve cover before you can drive the car?

Do you thinking it looks betterment with White dipstick handle or red? I did white at first then thought red would look better, but now I'm thinking white might have been better.

Either way I'm really happy with the results. Do you think I could paint the battery and distributor?


Do you think it looks better with white dipstick handle or with red?
Do you think it looks better with white dipstick handle or with red?
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