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cdowjr 02-28-2019 10:06 AM

Engine Painting
 
Hello
I'm building two 632 CI chevy motors for a 30 foot checkmate.
looking for guidance on painting the engine.
always thought a yellow engine might look cool - however that might show oil and look dirty all the time?
i sandblasted nice aluminum valve covers down to bare aluminum - what's the best process to cover these - any thoughts on powder coating?
Nice new intake manifolds bare aluminum - should I paint these?
seems like a nicely painted engine could be periodically sprayed down with engine degreaser and clean up nicely unlike one with rough bare aluminum surfaces?
nice new aluminum cylinder heads -should I paint these - the exterior?
bottom line what color would say I'm a bad ass power plant!
Cliff in Maine

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TxHawk 02-28-2019 11:49 AM

Like everything else, prep is everything. Make sure it is clean, use a self etching primer and quality paint. I am a fan of powder coat on valve covers and intake manifolds. I haven't seen paint stick to Aluminum heads very well. Anodized valve covers are the best looking I have seen.

flat rate 02-28-2019 06:34 PM

A epoxy primer / sealer will stick to the aluminium. Don’t use a acid etch under the epoxy. As long as it’s all clean it won’t come off

Padraig 02-28-2019 07:52 PM

There is a old thread with great info on engine painting. A number of engine builders including Eddie Young participated in it. Try a search.

Padraig

KCHOTBOAT 03-01-2019 11:18 AM

Find someone in your area to powder coat them. For a basic single stage color I charge $45 a pair since they are prepped and $65 for intakes.

Jim Diesel 03-01-2019 11:28 AM


Originally Posted by Padraig (Post 4674958)
There is a old thread with great info on engine painting. A number of engine builders including Eddie Young participated in it. Try a search.

Padraig

This one?

https://www.offshoreonly.com/forums/...-question.html

Padraig 03-01-2019 12:14 PM

Yes, that is the one I was thinking of. Your search methods or memory is better then mine.

Padraig


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