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Old 11-12-2018, 07:39 PM
madden madden is offline
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Default deuce LT1 valve cover restoration

hi

need help please with the correct way to restore my deuce LT1 valve covers
fro cleaning / striping/ and what finish to put on them?

thank you
chris
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Old 11-12-2018, 07:44 PM
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The factory finish was a 'dull lustre', while the NOS ones from GM are much shinier - if that's a word. I've learned that if you glass bead them they will lose all lustre. Some guys have had them tumbled in various media with mixed results - likely walnut shells or plastic media is best. Finally, Jerry McNeish offers a 're-skinning' service that has been well received. The rest of us simply buy the best original condition ones we can find and rub them out by hand....
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Old 11-12-2018, 08:27 PM
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I blasted my thermostat housing with 100 grit sand and then tumbled it in ceramic media and it came out looking like new, or at least I think so.
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Old 11-12-2018, 09:13 PM
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Did mine by lightly blasting with low pressure glass beads then 0000 steel wool to put a light shine in the peaks of the fins to put a very light shine on the flat surfaces. Had to do it twice to get it where I wanted. The key is to not rough it too much in the blast cabinet. I used about 40 psi, just enough to pick up the media and stayed about 8 inches away from it. Just enough really to clean the surface and even out the surface.

I then followed up with the satin finish Ever-Brite to seal the pores and make them easy to keep clean.

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Last edited by BCreekDave; 11-12-2018 at 09:26 PM.
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Old 11-12-2018, 09:14 PM
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I recently cleaned up the valve covers for my 71 LT1. I feel like they look right as far as the finish color etc.
I used organic PH neutral cleaner then used neverdull cotton wadding, however they were not too dirty when I started....

The FIRST PHOTO IS FINISHED

TWO SECOND PHOTOS ARE PRIOR TO CLEANING.
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Old 11-12-2018, 11:49 PM
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Blast them and the steel wool is the best thing I have found other than jerry
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Old 11-14-2018, 05:20 PM
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thx guys

really appreciate the help

regards
chris
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Old 11-14-2018, 07:55 PM
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I used some walnut media in my blast cabinet, followed with steel wool. I think I could have used glass bead at low pressure with similar results.
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Old 11-15-2018, 12:55 AM
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What grit walnut shell?
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Old 11-15-2018, 02:14 AM
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vapor hone..google it..the high end motor cycle guys use it on delicate parts..does amazing things on aluminum parts....has that luster everyone is looking for...
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