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Paint problem #2778097
05/25/20 03:32 PM
05/25/20 03:32 PM
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70HemiGTX Offline OP
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Ok. It's not like I haven't painted anything before, but I am stumped. I'm redoing my 6 way seat adjuster and bucket seat frames. I degreased, blasted everything to bare metal, and then shot it all with clear lacquer thinner to the point that it ran off the stuff. My problem is some places the paint laid down real nice and others it fish-eyed or bubbled. I striped some parts again and reshot them. Same problem. I'm using Rustoleum gloss black. I never had this problem before. What did I miss or ??? Should I have hit it with Acetone before painting? I really don't want to redo the whole thing, but I will need to to make it look nice. Or should I just have everything powder coated?

Re: Paint problem [Re: 70HemiGTX] #2778115
05/25/20 04:36 PM
05/25/20 04:36 PM
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Mr T2U Offline
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i always wash down sand blasted parts with solvent before painting.
what probably happened was some missed grease or oil got forced into the metal when you blasted them.
you are probably going to have to wash, blast, wash, blast, wash, wash and paint.

Last edited by Mr T2U; 05/25/20 04:37 PM.

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Re: Paint problem [Re: Mr T2U] #2778304
05/26/20 11:29 AM
05/26/20 11:29 AM
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north of coder
moparx Online content
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no primer being used ?
beer

Re: Paint problem [Re: moparx] #2778346
05/26/20 01:38 PM
05/26/20 01:38 PM
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70HemiGTX Offline OP
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No. There wasn't any on from the factory. I think they went through a vat of black paint at the factory.

Re: Paint problem [Re: 70HemiGTX] #2778409
05/26/20 04:31 PM
05/26/20 04:31 PM
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Mr T2U Offline
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when i paint sandblasted metal. i wash, paint with 2 coats DP epoxy primer mixed with 401 catalyst & thinned 25-30%, after prime/ sealerr top coat and done.

Last edited by Mr T2U; 05/26/20 04:32 PM.

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Re: Paint problem [Re: 70HemiGTX] #2778487
05/26/20 07:53 PM
05/26/20 07:53 PM
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i ran into a similar issue on the corner of a dash. I called an area rep ( buddy) and he came over. He had the same problem. We cleaned it again and he fogged on several VERY light coats until he had a solid base established. He proceeded to lay down heavier but thin coats until it was adequately covered.

beer

Re: Paint problem [Re: 70HemiGTX] #2778772
05/27/20 03:35 PM
05/27/20 03:35 PM
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RoadRunner Offline
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I've had same issue with Rustoleum on occasion. I tend to use a decent self etching primer now, and make sure everything is wiped down with wax and grease remover. Though acetone should have done the job. I have seen Gumout remove stuff that Break Clean does not. So it could be a question of what solvent to use.

T.J.


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Re: Paint problem [Re: RoadRunner] #2779364
05/29/20 08:53 AM
05/29/20 08:53 AM
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Chally426 Offline
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Defiantly, spray a very light tack coat first..

Re: Paint problem [Re: Chally426] #2779631
05/29/20 09:54 PM
05/29/20 09:54 PM
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Thanks for all the replys. Lots of areas to look at. The more I think about it, one of my problems could be the paint. I bought the Rustoleum "Highperformance Professional" paint. I started reading the label and the can is designed to put on a heavier coat from the start. That in itself is a big problem. I had a heck of a time getting a "light" coat down first. (like I like to do.) I'm going to get some of the regular Rustoleum and see how that works. Can't be any worse than what I have now. But I still need to degrease it again and do the whole process all over. I hate doing stuff more than once!!! Time doesn't grow on trees.

Re: Paint problem [Re: 70HemiGTX] #2779633
05/29/20 10:27 PM
05/29/20 10:27 PM
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Originally Posted by 70HemiGTX
Thanks for all the replys. Lots of areas to look at. The more I think about it, one of my problems could be the paint. I bought the Rustoleum "Highperformance Professional" paint. I started reading the label and the can is designed to put on a heavier coat from the start. That in itself is a big problem. I had a heck of a time getting a "light" coat down first. (like I like to do.) I'm going to get some of the regular Rustoleum and see how that works. Can't be any worse than what I have now. But I still need to degrease it again and do the whole process all over. I hate doing stuff more than once!!! Time doesn't grow on trees.


I think your problem is prep or no primer, I just shot a set of those with rustoleum pro with zero problems. I degreased them, wire wheeled to bare metal, wiped with solvent based grease and wax remover, light primer, 2 coats rusto pro. I shot a dash frame and a set of slides, sbird wing braces with the same procedure but used dp 90 and ppg concept paint on the slides, zero problems. I sanded the dash frame, shot itwith a light coat of dp90, 30 minutes later shot that $200 a pint nos suede paint, zero issues. I did all the pullies, k-frame, dana, and brackets by blasting, sanding, red scuff smooth, light dp90, concept, zero issues. Some of this new cheap cleanup thinner is garbage, I use solvent based grease and wax remover, and always a little primer. I know the purist will say thats wrong for a resto, but sorry, to many dash paint issues to not lightly dp90 them.







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