Cadillac "Blue" engine paint ('70s) 425
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500, 472, 425, 368 Discussion, Cadillac "Blue" engine paint ('70s) 425 in Cadillac Engine Technical Discussion; What's the engine paint (spray can) of choice for a '70s 425? I want to do some touching up on ...
  1. #1
    Highway Star is offline Cadillac Owners Fanatic
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    Cadillac "Blue" engine paint ('70s) 425

    What's the engine paint (spray can) of choice for a '70s 425? I want to do some touching up on my engine while the A/C stuff is out of the way. It's that GM/Caddy blue color.

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    deVille33 is offline Cadillac Owners Connoisseur
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    Re: Cadillac "Blue" engine paint ('70s) 425

    That color is very hard to match. For one thing the color you see on the engine (original) seems to fade or discolor over time. Most aftermarket paint pigments will not match, absolutely. I believe the main reason for this to be the fact that the paint fade over time. We don't polish our engines, do we? The paint loses that original gloss. I have tried mixing paints, trying to match what I consider to be the color I sense is correct. I tried mixing a flat and a gloss and mixing with semi-gloss. I've come close, but not quite correct. I'm not good with paint, hate painting. From my experience, it comes down to what you will settle with. There is a Ford blue, I tried, which came very close. There was also a run of Chrysler blue which was very close, but Krylon made a change and later cans of their paint did not come close. I made notes on this while the project was going on. Will have to see if I can find them. I had tried this with several different brands, color range, and types.

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    Highway Star is offline Cadillac Owners Fanatic
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    Re: Cadillac "Blue" engine paint ('70s) 425

    Thanks deville. I had a can of Plasti-Kote "GM Corporate Blue No. 221" that was pretty close. Found my original can, but it's empty (typical of my paint stash, lol). Haven't seen any of it lately though, and don't see any on ebay. There seemed to be more brand options years ago, but now every auto parts place has the exact same paints/displays.

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    jayoldschool's Avatar
    jayoldschool is offline GM RWD V8 addict
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    Re: Cadillac "Blue" engine paint ('70s) 425

    Most auto parts still carry GM Corporate Blue.


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    the APEMAN is offline Cadillac Owners Fanatic
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    Re: Cadillac "Blue" engine paint ('70s) 425

    Quote Originally Posted by jayoldschool View Post
    Most auto parts still carry GM Corporate Blue.

    Those two pumps have a lot of little differences.

    I remember someone being burned by a pump that would not clear the crank pulley. Not had that pleasure myself.
    man1ey likes this.

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    Highway Star is offline Cadillac Owners Fanatic
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    Re: Cadillac "Blue" engine paint ('70s) 425

    Couldn't find any "GM Corporate Blue", but found VHT "GM Blue" and "Old Ford Blue" engine enamels. The OFB was a little too bluish (looks like '50s Caddy engine blue though), while the GM was a good match.

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    Highway Star is offline Cadillac Owners Fanatic
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    Re: Cadillac "Blue" engine paint ('70s) 425

    Here's a shot of my 425 engine that I tweaked with the VHT "GM blue" mentioned above. Painting with all these hoses/wires etc in the way is a real pita, lol.
    Attached Images

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    Re: Cadillac "Blue" engine paint ('70s) 425

    Nice work! I was tempted to do everything when I was doing my water pump, but short of pulling the motor, I couldn't see it happening. It's so buried, you can't even tell...






  10. #9
    the APEMAN is offline Cadillac Owners Fanatic
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    Re: Cadillac "Blue" engine paint ('70s) 425

    8/6/4 under there : )

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    man1ey is offline Cadillac Owners Member
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    Re: Cadillac "Blue" engine paint ('70s) 425

    Quote Originally Posted by the APEMAN View Post
    Those two pumps have a lot of little differences.

    I remember someone being burned by a pump that would not clear the crank pulley. Not had that pleasure myself.
    YUP! Man that was a pisser.

    ----------

    Just in case you were crazy and wanted to have a quart mixed, here's what I sprayed on my rebuild last year. Put hours of research into finding this color in an old paint book and pretty sure it's correct. Looks right, anyway.

    Centari DuPont BS454 1 qt.
    the APEMAN likes this.

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