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Old 11-11-2012, 03:59 PM
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How to check for imperfections before painting? Help!

I know there is something out there that you can put on the body panels to check for imperfections before painting. I'm at the primer stage of my paint job and I can feel a slight dip in the panel, but I'm not 100% sure. I tried using Wax/Grease remover to help shine up the panel so I could see the imperfection, but It dries up way too fast.

What do you guys use to help see what a paint job would look like before adding bc/cc

Any help would be appreciated!
Thanks

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Old 11-11-2012, 04:07 PM
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wet it with a sponge and some clean water? Thats what I did on mine.
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Old 11-11-2012, 04:28 PM
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I thought about doing that but I feel like water was always a bit thicker then clearcoat. Which wouldn't really give a 100% accurate look.

I've watched the Ultimate Factory series on History Channel, they had the Lambo factory and their painters would use a special something to check for imperfections (Mineral spirits maybe?) it wasn't water.
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Old 11-11-2012, 04:35 PM
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I just wring the sponge out so that its not alot of water going on. Try it. I think mineral spirits would be a bad idea personally. Maybe the guys at your autobody supply could recommend a W&GR that evaps slower.
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Old 11-11-2012, 04:47 PM
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Take a 3 foot metal yard stick. Hold it on it's Edge and rock it across the area. You will feel any low spots that can not be seen. Works amazingly well.

John L
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Old 11-11-2012, 04:55 PM
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Ill give it a try, Thanks
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Old 11-11-2012, 05:04 PM
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Originally Posted by NoNoNoNoNoNoNo View Post
Ill give it a try, Thanks
Let us know how it works for you......
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Old 11-11-2012, 05:24 PM
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I used one of those plastic flexible rulers to apply another layer of bondo (No it isn't 1 inch worth of bondo, only 1/8-1/16 thick) and used the flexible ruler to contour with the curves of the panel. I'm going to let it dry and give it the feel test one more time. I think this might just work.

Thanks for the help!
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Old 11-11-2012, 07:01 PM
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You want to use guide coat when doing your bodywork/sanding primer, use blocks to make sure panels are straight.
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Old 11-11-2012, 08:54 PM
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Yep, some of that 3M powdered guidecoat and a sanding block (I like my 17" one) do wonders. And yes, the 3M stuff is ridiculously expensive but IMO, totally worth it. Plus its way easier to work with than the SEM spray guide coat, I think.
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Old 11-11-2012, 09:13 PM
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Quote:
Originally Posted by MikeyBob View Post
Yep, some of that 3M powdered guidecoat and a sanding block (I like my 17" one) do wonders. And yes, the 3M stuff is ridiculously expensive but IMO, totally worth it. Plus its way easier to work with than the SEM spray guide coat, I think.
I just ordered SEM guidecoat...LOL
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Old 11-11-2012, 09:39 PM
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Well I never said it was bad
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Old 11-11-2012, 09:51 PM
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Well I never said it was bad
I don't know if its good or bad...lol...never used it before. Just thought it was funny b/c I read that immediately after ordering some. Its probably just glorified flat black lacquer if I had to guess. Thats all I ever used before... but it was only 5 bucks so I gave it a whirl.
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Old 11-11-2012, 10:05 PM
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Yeah, that'd be my guess as to what it is lol
I just didn't like having to wait the extra two minutes before getting back to my panel other than that its about the same. True story
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