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I am trying to decide whether to clean (bead blast?) my aluminum valve covers on my 66 L79 or buy new repro ones. Price is a factor, so is there anyone who has any success/insight in the blasting route or buying repro ones? What's cheaper? Thanks,
If your originals are in good condition other than they don't look as nice as you would like I would tell you to consider having them re-skinned. This is a process that has been highly recommended by others on this board. I am sorry I can't recall who does this but hopefully someone else will respond or check the archives.
Send them to Jerry MacNeish ( www.z28camaro.com ) and have them re-skinned; they'll come back looking like this (this is an early staggered-hole low-script cover):
DO NOT BEAD BLAST them. Wash and clean them. A little aluminum cleaner maybe!
How bad are they. Do not polish. If you could, email me a pix.
I'm not 100% sure, but I think by the time your car was produced the casting flaw was there.
I have been thinking of reskinning my valve covers but after seeing the pictures i'm not shure. The orig. finish has a marble look and the pics. don't look to have this, am i not seeing it or what.
I have used mr mac neish on some parts also and they look like brand new peice's when he was finished with them.Mine are not on the car yet but I understand they will remain as new forever?(Is this correct)
I have had no luck with my bead blaster (regardless of the media I have used to clean aluminum parts)Also the media gets inot every nook and cranny and not so easey to remove.Its especially a problem if using glass beads I would not want that in my motor.No matter how much I vacum and blow it with compressed air it will look perfectly clean of the glass beads.Ill pick the the part I cleaned 2 days latter and find more glass beads.
I tried naval jelly (took me forever to find it) and I could never get a uniform finish.
Has anybody been judged with the reskinned parts?
were there any deductions made?
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