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Olds embossed rocker covers

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Old Aug 22, 2025 | 10:16 AM
  #1  
pappy's Avatar
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Olds embossed rocker covers

I have a pair of OLDSMOBILE embossed rocker covers that I believe have never been on a running engine and no sign of ever have been bolted to an engine. Dry surface rust on the inside, no sign of any oil ever . They have a weird coating on them, some sort of primer maybe, can't imagine someone would paint them this odd greenish-blue. Reminds me of a nail-head Buick.
Any way, I am considering bead blasting them and painting them the original Olds color. Would these have been gold? Which supplier would be considered the correct color?

Old Aug 22, 2025 | 10:51 AM
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I can tell you they are 73-74 valve covers. I don't know for sure if they were available on the 455, but they were definitely gold on those years 350s. I have several sets. They clean up nice and look good on the engine. Nice original pieces you have.
Old Aug 23, 2025 | 07:46 AM
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These were used on all Olds engines for 73-74. None would have come that color, so they have been repainted. Originals would have been painted after being bolted to an engine.
Old Aug 23, 2025 | 03:00 PM
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I don't know if they have been re-painted then, since the valve covers are not painted until they are mounted on the engine. I see no sign of them ever mounted on an engine or ever run on an engine. There is no sign of oil or residue inside baffles or underside. I wonder if this is some type of sealer, there is no gold paint under this coating. Doesn't mean they could not have been stripped, I know, but I believe them to be nos. I am going to clean them up with the bead blaster and just seal them in case someday they can be painted on a block to color match.
They would look good on my 330 if I ever get around to detailing it. I don't think I could ever make it run better, but it could sure look better under the hood.
Old Aug 24, 2025 | 03:58 AM
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if you went to a GM dealer and ordered a set of valve covers… what color were they?
Old Aug 24, 2025 | 05:48 AM
  #6  
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I can't imagine that they would paint over bare steel, and ones on the shelf would have to have some sort of rust protection.
I make no claims here, just curiosity.
The hoard of parts (Olds-Cadillac) that I scored from an estate not too long ago came from dealerships in the '70's and from northeast swap meets. The man's collection had a huge stash of parts from the early 50's - early 70's and moved here to God's country (Tennessee) to retire. He built some prime examples of vintage Olds-Caddies using many nos parts in his retirement.
The man contracted Covid in the height of the pandemic and passed due to complications, is the story that I heard. He donated his pride & joy, a beautiful 1953 Olds ninety-eight convertible to the museum in Lansing sometime before his passing.
Old Aug 24, 2025 | 07:08 AM
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11971four4two's Avatar
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Never installed Rocker Arm Covers

new covers i have owned are bare NO paint
check linky below
NOS 350 Valve Covers - ClassicOldsmobile.com
Old Aug 24, 2025 | 08:18 AM
  #8  
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Those look very good still. Mine has considerable amount of surface rust on the inside, so I will remove it and the green to preserve the best I can using media or electrolysis.
Old Aug 24, 2025 | 08:28 AM
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lazerr works well
Home - Laser Cleaning and Restoration of Minnesota

Old Aug 24, 2025 | 08:49 AM
  #10  
pappy's Avatar
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Wow, that is interesting. A new one on me for sure. I might contact them just to get an idea of what it might cost, but I'm sure the process plus shipping both ways would be more than I would want to invest in these.
Old Aug 25, 2025 | 11:22 AM
  #11  
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Look like 1974, as I had heard the tooling was getting dull on the E at the end and that's why they quit embossing them. Those seem to have the low resolution E
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