1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Remedy for "storage bin" rust

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Old Nov 21, 2002 | 02:27 PM
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Stratoflattener
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Remedy for "storage bin" rust

Pretty self explanitory, but I was just wondering if there was a recommended way to either get rid of, or prevent the spread of, cosmetic rust (which I'm assuming will get worse) inside the storage bins (you know, the standard place to look, on top of the rear wheel well).
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Old Nov 21, 2002 | 02:29 PM
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as long as it is just cosmetic and has not gotten structural, use a product called "por-15", it will do the job. You will not need to topcoat the por-15 since this is inside the car, inside the storage bins.

Last edited by rogan; Nov 21, 2002 at 02:36 PM.
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Old Nov 21, 2002 | 02:30 PM
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Grinder, welder, new sheet metal, and paint. Works everytime!
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Old Nov 21, 2002 | 02:32 PM
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It's por-15 just thought in case he had trouble finding it. Anyways if you use por-15 on an area that will be topcoated there are a few things you need to do to get a good finish. PM me if you are going use por-15 and then top coat it.
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Old Nov 21, 2002 | 02:32 PM
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if it's smaller than your hand, sand or grind it off.

If it's bigger'n your hand, push it off a cliff and report it stolen
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Old Nov 21, 2002 | 02:34 PM
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That was a sad statement.
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Old Nov 21, 2002 | 02:34 PM
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you are so funny manntis.
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Old Nov 21, 2002 | 02:58 PM
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Just stick with the POR-15, the greatest thing for "older cars".
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Old Nov 21, 2002 | 03:05 PM
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Originally posted by Manntis
if it's smaller than your hand, sand or grind it off.

If it's bigger'n your hand, push it off a cliff and report it stolen
Anything's fixable if you like the car enough

I fixed my rust holes (bigger than large grapefruits) in the wheel wells, including the little bracket that rusted off, and it only took about 10 hours work total with my trusty MIG welder, plasma cutter, a grinder, and some 16ga sheet...

Worth it in my books... whole car is pretty much rust free now...

Jeff
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Old Nov 21, 2002 | 03:09 PM
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Congrats! Of course, you have the dry okanagan climate (kinda like the prairies), and the rust was probably surface stuff...

Ontarians get that deep rotted-through-the-metal rust that 'icebergs' (the rust you see is only the start- insert ominous music here) I once looked into buying a DAytona out there, and touched a rust bubble on the fender only to see about a square foot of metal softly 'give' under the pressure...

But yeah, if it can be chopped out and replaced with new metal, then save the car
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Old Nov 21, 2002 | 03:14 PM
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Originally posted by Keaponlaffen

I fixed my rust holes (bigger than large grapefruits)

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Old Nov 21, 2002 | 04:38 PM
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Simple - just swap in a new used unibody. It gives you about 10,000 perfect excuses to buy lots of new tools and upgrade everything as it's swapped over!
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Old Nov 21, 2002 | 04:45 PM
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Originally posted by JEC-31
Simple - just swap in a new used unibody.
I'd rather push it off a cliff and report it stolen.
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Old Nov 21, 2002 | 07:41 PM
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FFFFFUUUUUUUCCCCCCKKKKKKKKK!!!!!!!

I just pulled my bins and found a bunch of rust.


FUUUUUCCCCCKKK, im pissed now, I have to get that fixed.

when I was putting the new springs in I didnt see any rust where the control arms hooked up.

I going to get it fixed but should I be worried.
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Old Nov 21, 2002 | 07:43 PM
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My wheel wells were completely cut out. I found a pair off a junk car that had surface rust. Those were cut out and blasted heavily. Then they were undercoated and baked several times. Then they were mounted and welded in. More undercoating was applied. And those stock bubbles in the wheel wells were removed. Looks great and keeps the water out.

Last edited by 85RX7GS; Nov 21, 2002 at 07:45 PM.
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Old Nov 21, 2002 | 07:48 PM
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my car is rustproofed so Im suprised its there.

actually the rustproofing caused my door rust. and the **** is hard as hell to clean of when your trying to detail a engine.

Im going to talk to a autobody shop in the spring after the Turbo motor goes in.
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Old Nov 21, 2002 | 08:00 PM
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I'm surprised not one person has mentioned using phosphoric acid. I learned this during a stint at a sports car restoration shop. Wire wheel, or better yet get some of those Scotchbrite discs that go on an air grinder and ferret out the rust, then apply phosphoric acid solution (some brand names are Os-Pho or Rust-Mort) with a brush and let it dry. The metal will turn a mottled black color. Then wipe it down with a rag and prep-sol and you can spray paint it and it will last. The phosphoric acid converts rust from iron oxide to iron phosphate which is stable. I've even saved RX3 battery trays with this procedure. I have a sneaking suspicion that POR-15 uses some sort of phosphoric acid preparation as it's rust neutralizing agent. -WG
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Old Nov 21, 2002 | 08:32 PM
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Originally posted by Wankelguy
I'm surprised not one person has mentioned using phosphoric acid. I learned this during a stint at a sports car restoration shop. Wire wheel, or better yet get some of those Scotchbrite discs that go on an air grinder and ferret out the rust, then apply phosphoric acid solution (some brand names are Os-Pho or Rust-Mort) with a brush and let it dry. The metal will turn a mottled black color. Then wipe it down with a rag and prep-sol and you can spray paint it and it will last. The phosphoric acid converts rust from iron oxide to iron phosphate which is stable. I've even saved RX3 battery trays with this procedure. I have a sneaking suspicion that POR-15 uses some sort of phosphoric acid preparation as it's rust neutralizing agent. -WG
Yeah....that might work for light surface rust....but for mine...no.
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Old Nov 21, 2002 | 08:41 PM
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If its that bad learn to weld.
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Old Nov 21, 2002 | 08:45 PM
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Originally posted by 82streetracer
my car is rustproofed so Im suprised its there.

actually the rustproofing caused my door rust. and the **** is hard as hell to clean of when your trying to detail a engine.

Im going to talk to a autobody shop in the spring after the Turbo motor goes in.
are you talking about that rustproofing that some dealers put on our cars? if so that **** is total crap. My LE has that and teh wheel wells are totally gone.
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Old Nov 21, 2002 | 08:48 PM
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The REAL way to fix the storage bin rust


I think this is self explainatory. Personally I would spend my time differently, but that is just my opinion. But the end result is flawless pretty much.
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Old Nov 21, 2002 | 08:52 PM
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The guy I bought my car did that to a first gen. Its actualy not that hard to do a clip job. pretty much one big weld. The 510 racecar I was working on for him over the summer was like 3 different 510's put into one lol.
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Old Nov 22, 2002 | 09:48 AM
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im going to grind it down and try that phosfer acid stuff.

it doesnt seam to bad, maybe I can save myself the bill of welding in something.
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Old Nov 23, 2002 | 10:04 AM
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I just pulled my bins... The drivers side has it on the bottom of the wheel well. And the passenger side has it on the top and the bottom . All of it looks to be to the point where cut and weld is in order. Question though I have water in the bottom of my passenger side one. But the insulation pad thats in there isnt wet on the higher part of it. Just at the bottom?? I don't know if I spilled somthing? Or how else could water be getting in there?
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Old Nov 23, 2002 | 10:21 AM
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Probably traveling through the rust and into the car through the wheel well. Have you driven your car in the rain recently?
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