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Old 04-07-2003, 12:25 PM
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Post Painting an Engine

Ok I know that spray cans exist in multiple colors for painting an engine block, but what if I want to match the color of the vehicle? How do you go about using standard paint on something that will eventually get hot?

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Old 04-07-2003, 02:31 PM
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I paint mine (the few I don't powder coat!) in catalyzed base/clear coat urethane like I use on my car bodies and it holds up like a champ! Only place it may give you problems is on the intake manifold @ the exhaust x-over. MUCH better than any rattle can finish you can get and you can match the car exactly. As with any paint, the finish is as good as the preparation underneath but with the usual basic prep, you will get a ceramic coated-like finish.
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Old 04-07-2003, 03:10 PM
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I'm just as curious on this one too.
Would enamel paint work just as well?
Would adjusting the hardner mixture help?
Would baking the painted parts help?
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Old 04-07-2003, 04:40 PM
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I use a straight color with hardener and get great results. Clearcoat seems excessive, but whatever works for you.
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Old 04-07-2003, 05:01 PM
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does the paint create a smooth surface, if not how do you smooth it out
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Old 04-07-2003, 05:05 PM
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Well, when I did my fire wall, I took my fender skirts down to Foster Paint and they computer matched my car color in Dupont Centaury (did I spell that right?) and put it in rattle cans.. I know you can't catylize rattle can paint but your motor will do a good job of baking it on. I think the stuff is available in a hi-heat paint also. Check with any saavy local automotive finish outfit. I think they'll have a better answer for you.
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Old 04-09-2003, 12:11 PM
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No you didn't spell it correctly, but I don't remember how it's spelled. All I know is it has an "I" in there somewhere. I painted my '56 chevy engine with 'DUPI-COLOR' Toyota gun metal gray for trucks and thats been over a year ago and it still looks like I never started up. So like someone above said it's mostly in the prep. Just make sure the motor is REALLY clean.
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Old 04-09-2003, 12:20 PM
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its c-e-n-t-a-r-i any enamel will handle up to 160 degrees farenheight with little or no discoloration.
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Old 04-09-2003, 04:14 PM
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Mike, that's it! By the way, that would be Farenheit - NO? Thanks man.. <chuckle>
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