What to do with this rust? - Pontiac GTO Forum
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post #1 of 27 (permalink) Old 08-05-2011, 12:15 AM Thread Starter
 
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What to do with this rust?

Hi all, really the only place that I can see that has any amount of rust is under the hood. I wonder do I need to do anything to keep it from spreading? Should I take that insulation off and put new? I wonder if more rust is under there.

Thanks!

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post #2 of 27 (permalink) Old 08-05-2011, 12:31 AM
 
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A few things you can do. That is very minor rust. You can blast it, convert it, sand/wire brush it, or use POR15 on it. Be sure to get under the insulation too.
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post #3 of 27 (permalink) Old 08-05-2011, 06:23 AM
 
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but personally, I'd have it soda blasted (so as NOT to warp the metal) then primed and painted. E



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post #4 of 27 (permalink) Old 08-05-2011, 07:06 AM
 
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do not sandblast it, daughters BF got crazy with mine and i ended up working on it for two weeks to flatten out the warpage.
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post #5 of 27 (permalink) Old 08-05-2011, 10:41 AM
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You could just buy one of the Harbor Frieght bucket blasters (If you have a decent size compressor) and do that spot since it's on the underside.

Just don't get crazy. Industrial sandblasters will warp panels because of the pressure/volume they put out.

A home blaster is pretty safe, just don't concentrate on one spot too much.
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post #6 of 27 (permalink) Old 08-05-2011, 10:45 AM
 
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And don't let any get down the carb or oil fill



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post #7 of 27 (permalink) Old 08-05-2011, 10:54 AM
 
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Honestly what I would do is just hit it with a hand held wire brush to knock off the scale, and put some POR15 on it. If I were going to blast it, I would use a small hand held speed blaster and remove the hood to do it. If that is all the car has that thing is super clean.
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post #8 of 27 (permalink) Old 08-05-2011, 10:54 AM
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Yeah, you might want to take the hood off the car for some sandblasting .

It gets everywhere.
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post #9 of 27 (permalink) Old 08-05-2011, 11:09 AM Thread Starter
 
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Thanks guys. I won't say this is the ONLY place, but I've posted allot of underside pics too and you can see shes pretty clean. It has lived in Cali and Texas its whole life (was made in Cali). The lack of rust was one of the reasons I bought this car. Plus it has only 1 dent in it. The rest is just scuffs in the paint. I will admit that one dent is really bugging me, I might see if a body shop can smooth it out. It is above the driver side rear almost at the top.

I'll go ahead and try sanding it. I'm not too crazy about the blasting idea, plus I'd need to buy a blaster. I already have a wire brush and sand paper. Would Autozone have POR15?
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post #10 of 27 (permalink) Old 08-05-2011, 12:08 PM
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Tell you what I'd do because of where it is - I'd hit it with a wire brush and sand paper, the goal being to get all the loose stuff off that you can. Then I hit it with some of this stuff, enough to make sure all the rust was "handled" --- then paint with a flat black that matches the rest of the hood underside, and call it good.

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