Primer/Sealer Color (again)

F

ffltstn

Promoted Users
I know I asked a related question before but have done some reading and want to follow up. Doing "restoration" on a '73 Javelin. Primed with Black epoxy, and used gray 2K on all body panels and blocked. Plans are to shoot SPI Dark Red, and have seen the pictures of the truck that was over gray primer which looks great. If I leave the engine bay, inside of hood and trunk etc. in black epoxy will I see a difference in color? Color will not be side by side of the red over gray. I have read enough coats of paint and it shouldn't matter. If it will be a noticeable difference and I thin the 2K and use that to seal over the black? Will go on smooth enough like the epoxy? I Know buy sealer, but on a budget.
Thanks Everyone.
 
ffltstn said:
If I leave the engine bay, inside of hood and trunk etc. in black epoxy will I see a difference in color?
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Yes. It will be significantly darker. It would take double the coats to lighten it up. At least 5-6.

What 2K primer? Some can be reduced to seal, some can't. Irregardless, you should seal it (everything) as this will help to minimize the number of coats and make everything look the same. Adhesion is another reason why you should seal it.
 
I've been tempted several times to take shortcuts on time, materials, effort.
I keep asking myself what I'll think about the decision a year from now.
A little more time, a few more dollars will be forgotten, but a mediocre outcome will bother me for a long time.
 
Get a quart of white epoxy and use it mixed as a sealer for times like this.
I keep white and black and always mix the two for the shade I want,
whether for a primer spray or a sealer coat.
 
Yep, I started doing the same a few years back......just be careful with the black it only take a few drops to change the shade of the white to a grey.

I believe to get to this shade of grey it was a 8:1 ratio of white to black.

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Chris_Hamilton said:
Yes. It will be significantly darker. It would take double the coats to lighten it up. At least 5-6.

What 2K primer? Some can be reduced to seal, some can't. Irregardless, you should seal it (everything) as this will help to minimize the number of coats and make everything look the same. Adhesion is another reason why you should seal it.
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The SPI 2K regular build. Thought I read it could be reduced by 25% to use as sealer?
 
i would not use the regular build as a sealer. even reduced it just wont spray slick enough to use as a sealer. some 2k primers if not designed to be used as a sealer will also cause some dieback or dulling of the clear down the road if used that way. use the epoxy or the spi 2k sealer. not sure you experience but for a beginner the 2k sealer is easier to manage and fix if it doesnt go on smooth.
 
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