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The Body Shop TECH General questions that don't fit in any other forum |
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#1
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Auto body paint on engine
Anyone using an auto body paint on the engine with luck? I’ve heard of people doing it and swearing by it for longevity over the rattle can high temp engine paint you buy.
I always figured it would peal or melt off, but apparently it doesn’t. |
#2
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I've been painting clean re-built engines with automotive single stage paint for 20 years with no flaking problems. First I seal them with epoxy primer.
If you are spraying over old paint or oily surface, maybe not so good results. |
The Following 2 Users Say Thank You to 400 4spd. For This Useful Post: | ||
#3
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Good to know. I’ve just heard of it being done before and wanted to give it a try but figured I’d see if anyone had experience first.
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#4
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Same as mentioned above. The high gloss will make your engine look like a piece of candy! You will never go back to rattle cans. Don't forget to add hardner in with the paint.
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#5
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I’ve used bc/cc on items like manifold covers etc to dress up late model car engine compartments (to match exterior colors) with great results but these items don’t see a lot of heat. What about using bc/cc on engine blocks? I understand enamels and single stage holdup well but short buying a matching single stage does anyone know if bc/cc would hold up on the block?
__________________
1968 LeMans conv. 350 HO - 4 speed triple white (hear it idle here) https://www.youtube.com/watch?v=eVmq...ature=youtu.be 1968 LeMans conv. 350 - 4 speed Solar red/pearl |
#6
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Nytrainer, I once got in a restored 67 GTO to do some fixes on, and the owner supplied (DBC) base coat to do some engine bolt head touch ups. The car only had a few hundred miles on it since the engine was painted, but heat had yellowed the clear coat so bad everywhere that the touch up was way off.
I use activated Omni single stage over epoxy in most cases. The last picture is a 68 400. The discoloration at the ports is to be expected with any engine paint. |
The Following User Says Thank You to 400 4spd. For This Useful Post: | ||
#7
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I painted my small block in my 55 about 15 years ago with bc/cc and see no peeling, yellowing or anything negative. Looks as good as the day I shot it. It is a graphite grey metallic. It's painted from intake to oil pan.
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#8
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Do you have any cleaning / pre tips you’d share? Thanks man! Murf |
The Following User Says Thank You to Murf For This Useful Post: | ||
#9
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PM an email address and I'll send you the formula. As far as prep on a vatted assembled block, we use wax and grease remover and a scotch brite to scrub it. |
#10
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Quote:
Murf |
#11
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Thanks Murf |
#12
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I used a Lincoln light blue metallic paint instead of Pontiac engine paint with excellent results.
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#13
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Almost any quality automobile paint is better than the every day spray can stuff. Granted, you can get specialty paints made, they are usually made with auto paint type materials.
__________________
1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down... |
#14
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prep before painting an engine
I have experience with painting at least 6 engines over the last 2 years.
We have great results with automotive body paint. Use Brakeclean to clean & degrease the surface before primer/paint. We buy the 5 gallon cans and have refillable pressurized sprayers to apply the Brakeclean. Entire engine is sprayed at least 2 times. Brakeclean will drop the temp of the metal as it evaporates so there is a little wait time before applying paint. |
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