73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Body, Glass & Paint => Topic started by: JOKER on October 17, 2009, 12:06:17 pm
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WHAT IS THE EASIEST WAY TO GET THROUGH THIS 500 YEARS OF BUILT UP PAINT? IS SANDING IT DOWN BETTER DRY OR WET? IF SO WHAT GRIT. WHAT DO YOU DO TO DO IT WET? I TRIED GOING THROUGH THE FORUMS AND GETTING HINTS. BUT CAN SOMEONE HELP ME WITH SPECIFICS?
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Here is a way...
http://www.ehow.com/how_5007_strip-paint-car.html
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How many coats of paint are on it?
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How many coats of paint are on it?
Also, how far are you going? Bare metal or close to it? I THINK I used 80 grit on a DA, not knowing what was underneath some of the paint, I didn't want to use chemicals.
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WELL I AM GOING TO THE BARE METAL. THERE IS NO TELLING HOW BAD OFF IT IS. LOOKS LIKE ABOUT 80 COATS OF PAINT ON IT.. LOL. WELL NOT THAT MANY BUT. I WANNA MAKE SURE IT IS RIGHT. SO IS THE STRIPPER THE BEST WAY TO GO? OR SHOULD I JUST SAND THE MESS OUTTA IT?
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IF I AM NOT SURE WHAT SHAPE THE METAL UNDERNEATH IS IN? SHOULD I JUST SAND? I AM NOT SURE HOW MANY EXACT COATS ARE ON IT. BUT IT LOOKS LIKE ALOT.
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Call around to a couple of Industrial Paint suppliers and ask them if they could measure your paint thickness. Being a technical service rep I have a gauge that measures dry paint film thickness and expressed in mils of paint. Normally paint film including a primer and topcoat would measure out 3-4 mils total. If it has any body filler in it you can tell. I use it as my bondo tester when I look at supposed "rust free" vehicles. If I was closer I would measure it for you.
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If it has a lot of layers on it you would save yourself a lot of trouble by finding a local place that can blast it for you.
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JOKER, kinda off topic, but all capital letters= shouting. Plus it assaults my old eyeballs ;D
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If you can repaint it without going to bare metal, that would be the best route. I have been told by painters, and experienced it myself, that if you go to metal, you will be at the point to where it will take more prep to keep it from rusting thru your new paint. If it is, Id be curious about just sanding it down to the original, and then repaint.
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First thing. Sorry Donut bout the caps. As for measuring the level of thickness, I did not even know they could do that.
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Well Dv8 customs, I am wanting to do it myself. Trying to save on the money. Besides it is kinda relaxing in a crazy way. You are prbrably right Choptop,
about the rusting through and being easier. I got me some 80 and 100 grit sand paper today. My wife and I took the the inside of the truck apart. except seat and carpet. We are gonna start sanding tomorrow.
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I did not get the paint measured. But there is layers of white, blue, red, dark blue and grey. I appreciate all the advice. I think I am gonna just sand it down to the original. but will that effect any panels I am replacing?
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I did not get the paint measured. But there is layers of white, blue, red, dark blue and grey. I appreciate all the advice. I think I am gonna just sand it down to the original. but will that effect any panels I am replacing?
The panels replaced will have to be sealed with the proper primer, as well as any places that you sand down to metal. It will be a matter of blending in the different surfaces at that point. Im not a pro painter at all, several guys here are, but it makes sense to try to keep the conatminants out of the metal surface as best as possible. It will take some finesse to sand down to the original paint, and not go through to the metal, but the extra caution would be worth it.
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Well Choptop, We tried to take it easy and are still hitting some metal spots. but we will have to just dress it up.. I got some dinged up spots to we are
finding. here is a before pic.
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It looks like the previous owners used a paint brush and just went over the factory paint. here is the passenger door.
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Here is my super bandito wife sanding some.LOL
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Some people just need to be put out of our misery. As far as the bare metal spots, Id rather have a few than have a whole panel to worry about.
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Wow!
I feel lucky that I only had to deal with rust and exterior paint. My trucks PO pretty much left the interior alone. I don't feel a jitterbug sander is the best way, but If it's what you got... Sure beats doing it by hand.
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Yeah it is not the best way. But They shut my plant down for 3 weeks. So money was tight. we had already bought some supplies like 2 different bondos. and we already had some sand paper. So till I get a good check again, I gotta make it work. They funny thing is. I needed some time off to work on the truck. But did not expect this shut. So had not finance prepared. But luckly my wife does not mind getting in there an helping.
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Far as sanding all the way to metal, its better to do that is you don't have any idea of the condition of the paint underneath Lot of old factory paint has cracks and crap, and multiple repaints will just make it worse, best to start from scratch. Get a good orbital sander, that one your wife is useing will not leave a good finishing and will take you forever.
Lotta good tips and knowledge on this forum.
http://www.hotrodders.com/forum/body-exterior/