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Message started by okiemeterman on 08/08/15 at 09:03:24

Title: Crankcase paint
Post by okiemeterman on 08/08/15 at 09:03:24

Question. I want to paint my cancase and the rest of the engine components. Leaning towards wrinkle paint. My question is if the oem crankcase paint is not coming off could I paint over it or does it need to be bare metal? I tried a small section with aircraft stripper and it did next to nothing. Not sure how to remove the paint if it has to come off. Any ideas?

Title: Re: Crankcase paint
Post by Dave on 08/08/15 at 11:44:10

The stock paint on the engine is powder coat......if you want to strip it you need to use the aircraft stripper. You can eventually get the paint off - but it will be a tough fight.

The existing paint will be a good primer, provided you scuff is up and get all the dirt and grease off.

The wrinkle paint will be very tough to maintain and keep clean. You are much better off with a satin or semi-gloss paint. It should be a heat resistant paint like engine enamel or caliper paint. I am not sure how durable those paints are when compared to the stock "very tough" powder coat.

You might want to see if Harley Davidson makes a wrinkle coat paint for engine cases. It would most likely be more durable than something you get at a hardware store.

Title: Re: Crankcase paint
Post by okiemeterman on 08/08/15 at 11:56:01

Thanks for the reply. Harley does make a wrinkle paint but from what I've read people seem to be pleased with the VHT brand. And I think your right about leaving the original paint on as primer. It's pretty tough. Aircraft stripper barely dulls it. Just wanting a different look is why I'm leaning towards the wrinkle. Not going to use it on the head.

Title: Re: Crankcase paint
Post by justin_o_guy2 on 08/08/15 at 19:36:13

Yeah, don't use it on your head. Be looking like a shar-pei.

Title: Re: Crankcase paint
Post by Boogie_with_Stu on 08/08/15 at 20:13:36

They make a really (surprisingly) good color selection of paint for out door BBQ grills. Handle the heat and exposure to UV and weather pretty well from what I have seen.

Engine block paint comes in what, like 5 colors?

Title: Re: Crankcase paint
Post by Kris01 on 08/09/15 at 00:12:41

Nah, you can get engine paint in lotsa colors.

Title: Re: Crankcase paint
Post by Kris01 on 08/09/15 at 00:23:06

http://www.duplicolor.com/product/engine-enamel-with-ceramic

http://www.vhtpaint.com/products/engineenamel/

http://www.plastikote.com/products/Specialty/Engine-Enamel.html

http://www.eastwood.com/paints/hi-temp-engine-paints/engine-paints.html

Title: Re: Crankcase paint
Post by Dave on 08/09/15 at 05:12:24

3D303038363A7228362B37722C2B2A5F0 wrote:

They make a really (surprisingly) good color selection of paint for out door BBQ grills. Handle the heat and exposure to UV and weather pretty well from what I have seen.

So how resistant to oil/gas/chipping is BBQ paint?

Some of the paint they use on show bikes look great.....as long as they stay in the show. Get them out on the highway and put some miles on them, get caught in some rain, ride through some gravel......and before long the "wrong" paint will begin to look pretty raggedy.

The original powder coat on the engine is pretty tough....most stuff out of a spray can won't be nearly as durable.

Title: Re: Crankcase paint
Post by justin_o_guy2 on 08/09/15 at 09:06:35

Will painting affect cooling?

Title: Re: Crankcase paint
Post by Dave on 08/09/15 at 18:30:29

233C3A3D20271626162E3C307B490 wrote:

Will painting affect cooling?

Not too much.....The paint isn't that great of an insulator and transfers the heat pretty efficiently.

Title: Re: Crankcase paint
Post by Kris01 on 08/09/15 at 20:32:25

I read an article about 30 years ago in an airplane magazine about what color to paint an engine. In their opinion, color mattered. They claimed certain colors would hold heat more. I don't think that color or even painting for that matter would affect cooling at all.