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Old 04-05-2025, 03:45 PM
bhieb bhieb is offline
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Default 65 GTO engine paint

Hi All,

Has anyone used engine paint from Seymour? (https://www.seymourpaint.com/)

This is what my engine builder likes to use, but I've never heard of this brand and they don't appear to have the right color for a 65 engine.

I'm wondering if this is a good brand, and if so, which of their listed colors, if any, would be appropriate for a 65?

Appreciate any suggestions/feedback!

Brad

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Old 04-05-2025, 04:13 PM
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Keith Seymore Keith Seymore is offline
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Seymour is a known good brand of paint:

https://forums.maxperformanceinc.com...ur#post6395999

If they don't have the right color this chart was recently referenced here:

http://www.pontiacpower.org/enginecolor.htm

K

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  #3  
Old 04-06-2025, 09:34 AM
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Bill Hirsch engine paints are great

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Old 04-06-2025, 10:31 AM
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Yes Bill’s paints are good.

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Old 04-21-2025, 02:53 PM
bhieb bhieb is offline
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Hi Keith, dhcarguy, and steve25,

I contacted Seymour Paint technical support asking if they had an engine paint in the correct color for 59-65 Pontiac engines. I also supplied the Pontiac engine colors cross reference list from the post Keith supplied: http://www.pontiacpower.org/enginecolor.htm.

The Seymour technical support guy told me they used to have this color but it had been discontinued many years ago. I asked if they had a paint code for this color, but he said the Seymour paint codes are not universal. Evidently they are specific to their raw materials. Thinking they might still have the formula hidden away somewhere, I asked if Seymour would entertain the idea of making a limited production run of 59-65 Pontiac engine blue if a suitable quantity were ordered by a restoration vendor like Ames. The response I received was:
"No, we won’t make it ever again. If you can find it in a pint or quart, you could take it to a paint store---they all have little machines that can inject this paint into a pre-charged aerosol can. It’s a great option when you just need a can or two."

So, looks like we can scratch Seymour Paint from the ever shrinking list of sources for 59-65 Pontiac blue.

Has anyone either found a pint of the right engine paint, or been able to go to a paint supply store and had some engine paint color matched for the 59-65 Pontiac color?

Brad

  #6  
Old 04-21-2025, 03:37 PM
propuckstopper propuckstopper is offline
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Bill Hirsch does both spray bombs and bulk.

https://www.hirschauto.com/ENGINE-EN...ONT%20LT%20BL/

Edit: you might have to check on the availability of spray bombs at this point. It has been a few years since I bought from Hirsch.

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Old 07-02-2026, 11:41 AM
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I recently spoke to Scott Tiemann who's article in a 2014 Hot Rod issue covered the detailing of a 65 389 that has been in his family since new. Scott is known as one of the world's foremost Pontac restorers, and a judge with the GTO Association of America. At the time of the article he developed a formula with Delstar Paint that matched the color in places where no oil or environmental discoloration was present on his original 389. He told me that he no longer sells the paint but that the formula was given to Inline Tube. I called them to inquire if they were selling his formulation but the guy I spoke to had no information or knowledge about this issue. They do however sell Pontiac 59-65 Sky Blue Paint which appears to be exactly what Butler Performance sells. This may or may not be Scott's formula.


Last edited by massjake; 07-02-2026 at 11:42 AM. Reason: Added info
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Old 07-02-2026, 12:40 PM
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I was able to color match some paint at Sherwin Williams Automotive Paint for my ‘64 Tempest. I am pretty sure that SW automotive is nationwide, so anyone should be able to duplicate this color for their 59-65 Pontiac. I have been running the car this year after installing my motor last November. So far excellent durability and no burn off ( I am using KRE heads). I am including a photo of the spray can from SW and a photo of my engine for reference. Good luck!

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Last edited by tempest1964; 07-02-2026 at 01:01 PM.
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Old 07-02-2026, 02:01 PM
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https://www.npdlink.com/product/engi...e-brand/185779

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Old 07-02-2026, 05:30 PM
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I clicked on the link and it said it was out of stock. As a matter of fact, it is my understanding that Plasticote paint for 59-65 Pontiac engines was discontinued several years ago. The choices are indeed becoming less and less.

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Old 07-02-2026, 05:57 PM
massjake massjake is offline
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Because these engines are so old it's important to find an unmolested survivor where the paint hasn't seen oil or sunlight and color match that area. That's what Mr Tiemann did 12 or so years ago. It's misleading to follow the local Pontiac guy's advice unless you know his source. I'm sure bad information concerning colors have been passed along to the point where it becomes a "fact" when in reality the first guy had it wrong from the start.

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Old 07-02-2026, 11:21 PM
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Another option is the Butler Performance 59-65 engine blue:
https://butlerperformance.com/i-3164...8.html?q=Paint

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  #13  
Old 07-03-2026, 12:00 AM
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I used duplicolor DE1610, not sure how close to original it is but it worked for my purposes.
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  #14  
Old 07-03-2026, 08:55 AM
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Quote:
Originally Posted by tempest1964 View Post
I was able to color match some paint at Sherwin Williams Automotive Paint for my ‘64 Tempest. I am pretty sure that SW automotive is nationwide, so anyone should be able to duplicate this color for their 59-65 Pontiac. I have been running the car this year after installing my motor last November. So far excellent durability and no burn off ( I am using KRE heads). I am including a photo of the spray can from SW and a photo of my engine for reference. Good luck!

Looks great, but to me the blue looks just a little to light. Could be the lighting in the room

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Old 07-03-2026, 12:17 PM
massjake massjake is offline
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Quote:
Originally Posted by tempest1964 View Post
Another option is the Butler Performance 59-65 engine blue:
https://butlerperformance.com/i-3164...8.html?q=Paint
The Butler paint looks to be the same as the Inline Tube Sky Blue that Scott Tiemann gave his formula to. BTW, this article from Hot Rod is very thorough a far as engine detailing goes. https://www.hotrod.com/how-to/detail...wer-389-part-1
https://www.hotrod.com/how-to/detail...wer-389-part-2

  #16  
Old 07-03-2026, 02:28 PM
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Here it is in the car. I think you are right, the lighting is different.

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  #17  
Old 07-03-2026, 04:04 PM
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This is the paint I used on my 62 Catalina engine. Spray can paint. VHT SP122.
Readily available and won't break the bank. I can not guarantee it's a perfect match because I didn't have any original parts to match it off of. Here are a few pics. It has held up great for 4 years so far.
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Old 07-03-2026, 07:35 PM
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Quote:
Originally Posted by tempest1964 View Post
I clicked on the link and it said it was out of stock. As a matter of fact, it is my understanding that Plasticote paint for 59-65 Pontiac engines was discontinued several years ago. The choices are indeed becoming less and less.
Interesting- for me it came up as available. That said, it’s a match to the old Plastikote, by Seymour Paints.

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'69 Firebird, 400/461, 290 Eddy D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears
'69 LeMans Vert, XS 350, #47 heads, TH400, 10 Bolt 3.23 gears, work in progress
‘66 Lemans, 455, 310 KRE D-Ports, HR 236/245, TH400, GV OD, 12 bolt 3.73 gears - see it here:
https://youtu.be/RP_s1wJKm_Y?si=K0NZxoTyaGcj8Dcb
  #19  
Old 07-03-2026, 10:35 PM
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That is interesting. I just clicked the link again and now it says ‘in stock’. Maybe I looked at it wrong or maybe temporarily out. Either way, another option.

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Old 07-04-2026, 08:19 AM
sdbob sdbob is offline
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When I painted my 65 421 the paint was more of a metallic light blue that I remember. From pics shown that color almost looks close to 74 V8 color maybe the camera - picture.

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