C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Repainting valve covers, plenum, and runners

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Old Apr 11, 2009 | 12:31 AM
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Default Repainting valve covers, plenum, and runners

For those that have done this, how did you go about it? What grit sandpaper did you use to get the old paint off? Did you guys use a paint stripping disc with a die grinder and air or should I just do it by hand? What was the primer that you guys used before respraying it? I thought I saw something before that showed how its done but now I can't seem to find it. Any info will greatly help me. Thanks.
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Old Apr 11, 2009 | 01:08 AM
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Valve covers have really thick crappy paint to fit all the holes in the castings.Took me three goes with industrial paint stripper plus scrapping to get bare.
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Old Apr 11, 2009 | 01:26 AM
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Originally Posted by rodj
Valve covers have really thick crappy paint to fit all the holes in the castings.Took me three goes with industrial paint stripper plus scrapping to get bare.
Do you really need to take all the old paint off?
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Old Apr 11, 2009 | 03:39 AM
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Originally Posted by joshwilson3
Do you really need to take all the old paint off?
Like others ,I entertained the idea for polishing the magnesium covers until you see how bad the castings are; too much hard work
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Old Apr 11, 2009 | 07:16 AM
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Try this link should be able to fine every thing you need here
http://forums.corvetteforum.com/sear...rchid=10359083
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Old Apr 11, 2009 | 07:17 AM
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The prep work is everything. I bead blasted mine and painted with spray cans. I never had a problem with paint adhesion. I later replace a dented runner and did not blast it and had all sorts of problems with paint.
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Old Apr 11, 2009 | 07:26 AM
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Originally Posted by floridamale
Try this link should be able to fine every thing you need here
http://forums.corvetteforum.com/sear...rchid=10359083
The link does not seem to work...
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Old Apr 11, 2009 | 07:33 AM
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Do you really need to take all the old paint off?
I wanted the OEM "cast" look so, after degreasing the VCs, I just did a good wet sanding with medium paper (some dabs of old paint remained), cleaned them and shot several coats of MAM VC paint, wet sanding between coats.
It's been over 6yrs and the VCs still look very clean and new...
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Old Apr 11, 2009 | 08:32 AM
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Originally Posted by Red98C5
The link does not seem to work...
WoW works for me, just do a search for "valve covers paint "
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Old Apr 11, 2009 | 09:24 AM
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Whatever you decide make sure that the paint of choice is fuel resistant. Dupicolor engine enamel is very good paint (especially for rattle cans), but may not come in the color choice you want.

Last edited by mseven; Apr 11, 2009 at 09:28 AM.
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Old Apr 11, 2009 | 10:08 AM
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Corvette Central used to (might still ) sell a zinc paint that looked perfect on the intake system, looked as cast. nice stuff.
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Old Apr 11, 2009 | 09:37 PM
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Originally Posted by floridamale
WoW works for me, just do a search for "valve covers paint "
Didn't see anything searching.
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Old Apr 12, 2009 | 01:11 AM
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for the valve covers -

http://forums.corvetteforum.com/1569449642-post2.html

for the plenum and runners, i bead blasted them, and used a chem film solution...

http://www.bapspaint.com/docs/psheet...tron/P-226.pdf

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