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Old 07-01-2014, 08:35 AM
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respray tiny sandthrough or not

I have been getting my trans am ready for paint.

I kept spraying coats of spi epoxy and using a bit of glaze and blocking with 180, sprayed two more coats and blocked with 220, thought the car was pretty straight, so I sprayed two more coats, then sprayed my door inners with base clear. The first base clear i have ever sprayed, very exciting.

proceeded to do my final block sand on body of car with 320 and had a ton of sandthroughs, so i masked the door inners and resprayed two more good coats of epoxy. Got the whole car sanded with 320 with only 4 or five small sandthroughs, (mostly in places where chrome trim will cover).

I was hoping to sand again with 600 wet the skip the sealer step and just spray base clear on car.
With these small sand throughs, maybe a sealer will cover them good enough?
should I spray the whole panel again before sanding with 600?
can i just spray a bit over the tiny spot and resand with 320?

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Old 07-01-2014, 10:08 AM
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I'd do a small test in a place you can't easily see. Recreate the problem and try a few cures.

I'd pinch the hose and carefully fade the color back onto the area, and clear again. You might get a slight halo... maybe not. Depends on the paint. Works in lacquer anyway.
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Old 07-01-2014, 01:11 PM
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Oh it's actually just still epoxy primer I'm still spraying, not base color, I just don't know if I can get away with a sealer coat on top before base or if I should try covering these spots with more primer and trying to feather it in or if I need to spray the whole car again and resand the whole car with 320
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Old 07-01-2014, 01:33 PM
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no need to respray, just touch up the areas you sanded through and sand again. no big deal.
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Old 07-01-2014, 07:57 PM
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I have always sealed just about every car I have ever painted, but the last 4 I have done I am getting away from sealing. It is an extra step that takes longer, another coat to have dirt get in, and so on. When I am ready to start baseing and there are sand throughs, whether it is to bare metal or mabey filler, I will mix up a very small amount of epoxy and just blow those spots in. Wait a half hour then base as usual.
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Old 07-02-2014, 06:25 AM
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Air brush, I have a cheap Badger air brush, pawn shop find. I used it a lot more than I though I would. They spray a thin coat so you have to put a few coats down.
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