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Old 02-02-2008, 09:12 PM
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30 coupe primer

Ok guy,s got my coupe back from the blaster and it wasn,t as bad as I thought . Its pretty rough but workable. I do need to put some primer and I was wondering what you guy,s think? I am going to put a metal top on it and chop the top, also I will need to put on cowl lower repair panels and one quarter lower panel and the only body damaged area is on the upper quarters on both sides which is pretty nasty. What primer do you guy,s suggest? It going to be sitting between job's while Im getting this work done and my blaster a former painter suggested that I use ppg's DP 40 epoxy primer but I was also told that epoxy primer is hard to work with if you have alot of body work. should I use etching primer and if I do are you suppose to just dry sand etching primer. I'll wait for some responses before I primer as I don't want to create more work for myself. thanks Pop's

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Old 02-02-2008, 09:31 PM
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30 coupe primer

in my opinion the any primer is fine for now, it sounds like you have a lot of body work to do but i would finish with etching primer its best for bare metals good luck
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Old 02-02-2008, 09:48 PM
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I like to use DP-90 on bare metal.It cost a few $$$$ but I like it.
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Old 02-02-2008, 09:50 PM
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Etching primer is yesterday's technology. Use a good quality epoxy primer and get it on ASAP. The metal on your body will start to rust almost immediately unless it's protected and cheap primer won't do the job. With an epoxy primer you can do all your body work, bondo etc on top of it as long as you rough up the surface first.
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Old 02-02-2008, 09:51 PM
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Got any pics of the coupe?

Shane
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Old 02-02-2008, 09:52 PM
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will the epoxy prime have any side effects on welded joints?
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Old 02-02-2008, 09:57 PM
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You should clean it,weld them,and re-prime.But you shouldn't have no problems.What centerline say's is the truth!!!!
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Old 02-02-2008, 09:57 PM
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Actually one sands the primer off in any areas that require welding..you only need to sand back an inch or 2..We do that to keep a clean weld joint..any kind of primer will contaminate a weld if allowed..

I do epoxy as soon as I get my parts clean so I do not have to go through the rust removal process all over again..

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Old 02-02-2008, 10:45 PM
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30 coupe primer

Wow! thanks for the quick responses guy's, and I guess I'll go ahead and use the DP 40 or 90 epoxy primer. I was really more concerned about that damage on the rear quarter that I mentioned . I have a grafted on rear section with a vertical weld seam running across the rear of the body and thoe the graft looks pretty good the weld has several small pin hole and I think I need to figure some way to build that area up before I primer. any suggestions would be greatly appreciated Pop's
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Old 02-02-2008, 10:53 PM
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Just run your machine a little hot.(but not to hot.)and do one spot at a time.(just a spot) to fill the pin holes.You do have to cean off the spots first.

Last edited by NEW INTERIORS; 02-03-2008 at 01:53 PM.
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Old 02-03-2008, 06:24 AM
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I personally would put some SPI epoxy on it as soon as possible. It will seal it where you have all the time you need to work on it. When you need to do any welding, simply grind it off in the immediate area, and reprime when done. It will be as good or better than the PPG, and most likely save you some cash too.

Aaron
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