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Old 09-07-2005, 06:19 AM
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68 camaro repaint

I have a 68 camaro that i have redone. when it was painted all of the paint was dupont. i used the poly primer, factory pack black and chroma premier clear. when the guy shot it the clear got gas pops in it so i know i need to sand it down. i am gong to have to replace the doors in it one thanks to a mail box. The question i have is that afteri sand the car down to primer again and sand the doors down to smooth them out i know the need acoat of etchant on them i believe and then some primer. what steps should be taken to ensure a good slick paint job. i really like the darkness of the dupont black but are there an easier product to use and sand? thanks for your help

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Old 09-07-2005, 08:36 AM
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First, if the existing paint isn't too thick and prone to chipping and is stuck well, do not sand it 'down to the primer'. The best base for a repaint is the existing paint. Simply block sand the existing paint to a perfect surface (sanding through to the primer is no problem). Once you have perfected the surface, you do not need an etching primer. Consensus on the board is that etching primer (intended only for priming bare metal) is old tech. The new hot setup is epoxy primer. I would shoot a coat of epoxy primer over you entire sanded car that will level out the paint/primer/bare steel that are showing after your block sand. Then I would shoot on a couple coats of hi-build sanding primer (PPG K2 or one of the inexpensive polyester based primers). Then I would again block sand that base to perfection, being sure not to break through that layer. If you sand through it, spot some more primer and resand until you have a perfect unbroken surface of pure primer. That should give you a great foundation for your perfect black finish coat.

As far as what 'easy' finish to use, go for a system of catalyzed urethane base coat/clear coat. With this system, the color coat has zero impact on the ease of finishing. It does nothing but add color. It is the three or so coats of clear that you spend your time sanding and polishing.
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Old 09-07-2005, 12:28 PM
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Willis thanks for the advice. my next question may sound dumb but do i need to seal the old finish after i sand it or will the epoxy do that for me? do i need to sand off the clear or just block sand it flat and work off of that surface? the car has been painted for about two years so i am sure it is cured. the next question is are ther an easier clear to shoot over the dupon factory black base coat or should i stay with dupont?
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Old 09-07-2005, 01:23 PM
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The epoxy is a great sealer, in fact it is used as a sealer except in Kalifornia where it is legal to use on bare metal but illegal to use as an overall sealer. Also in Kalifornia it is illegal to sell in gallon cans so you have th buy 4 quarts to get a gallon. we are truly being run by ignorant fools.

Oh, yes your questions. just sand the existing paint - clear, base, primer as a unit. Get that smooth then the epoxy will seal.level it all out. The filling/sanding primer will perfect the surface. I would use a single manufacturer's base coat/clear coat system. Base you final brand system on the clear you want to use 'cause that it the surface you will be living with the rest of your life. DuPont, PPG, Nason, all are good products. I always go with Nason due to big price difference but have shot PPG and DuPont too. All are good.
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