Spray paint on engines? Yay or nay?

[pigpen]

I'm looking to purdy up my new engine with some bling and was wondering if spray paint will hold up to the abuse of being on a engine/inside of engine bay. I wanna do some anodized painted pieces but don't wanna waste my time if it's just gonna flake or peel off right away. I know if gas gets on it the paint will come off but I'm very good about not spilling when I fuel up. Any input from people that have any experience with this is greatly appreciated.

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[Fro Diesel]

You can always test a piece. My guess is the spray paint will soften due to the ethanol in the gas.

 

[jo5hi3]

Epoxy paint holds up pretty well

 

[pigpen]

You can always test a piece. My guess is the spray paint will soften due to the ethanol in the gas.

Just due to fumes in the engine compartment or from spills? I know I can get the paint to stick good just looking for some longevity out of it.

Epoxy paint holds up pretty well

Little more resistant?

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[jo5hi3]

Seems to be. I painted my cases before I sent them to dasa a few years ago. They still look pretty good

 

[pigpen]

Good to hear, was gonna go the powder coat route but the two coaters we have in our area are way steep on prices.

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[Vumad]

Cheap lacquers like rustolium will not hold up well to acetone, fuel, etc, and will take forever to fully cure. Definately dont use lacquer.

 

[pigpen]

Sounds like epoxy is the way to go.

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[Fro Diesel]

Fumes and spills. Vumad nailed it

 

[SUPERJET-113]

Ive used high temp engine paint out of the spray can before and it held up well..

 

[Freakrider]

Yes, High Temp engine paint but don't use Dupli Color brand, poor quality from my experience.

 

[pigpen]

Who else sell anodized colors other then duplicolor?

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[Freakrider]

Good results on VHT brand. It's sold at local auto parts stores.

http://www.autobarn.net/vht-metalli...4jvL3OxzahUbuiHZtQ0K4znRQJPQ2Bg-T-BoC3szw_wcB

 

[SUPERJET-113]

Good results on VHT brand. It's sold at local auto parts stores.

http://www.autobarn.net/vht-metalli...4jvL3OxzahUbuiHZtQ0K4znRQJPQ2Bg-T-BoC3szw_wcB

Ya, thats what i use from Autozone!

 

[VXSXH20]

Duplicolor/VHT are the same company, but It has been said the formulas are different on there engine enamel paints. I have used both on 3 different builds and have no issues to date. I ride freshwater so that may help immensely. I have DC metalcast on a set of cases along with VHT wrinkle black on the bed plates. again no issues. and have another motor all VHT gunmetal and black epoxy enamels. they are both good paints for the price. Prep is key. acetone and adhesion promoter help. but if your parts are bare aluminum you may want to use DC self etching primer.

 

[Vortex]

None of the spray can paints have hardener in them which is why they tell you the part has to be heat cured.

I've painted v8s with acryllic enamel, looks nicer than spray can paint.

Good prep is everything

 

[Vortex]

If you are using vht or duplicolor they recommend using an engine primer. Supposed to increase the durability substantially.

 

[Draggingto]

Ive used paint on multiple engines now. Clean well and use primer first. No problems at all after that. Held up just fine.

 

[pigpen]

Looks like I have a project for this weekend now. Lots of good info here! Thanks guys!

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[BruceSki]

Sandblast then use etching primer here. I paint them at work in between two large 600 psi boilers making 630 degree steam. I let them cure about 6 hours. Paint ends up rock hard and holds up great.