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 Post subject: Good way to remove TONS of old body filler?
PostPosted: Thu Oct 01, 2009 6:19 am 
I'm not sure why, but large rustless, dentless areas of my subaru 360 have been covered with body filler in the past. The hood for instance is covered almost entirely (I'm not kidding here) with about 4-5mm of bodyfiller. I've been kind of tearing off chunks with a flat head screw driver, but maybe there is a better way?

Is there anyway to possibly dissolve this stuff? Or will I just have to keep chipping away and sand off the shallower areas?

Thanks in advance!


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 Post subject: Re: Good way to remove TONS of old body filler?
PostPosted: Thu Oct 01, 2009 8:17 am 

Joined: Sun Apr 05, 2009 12:07 am
Posts: 280
Location: DFW TX
I've heard brake fluid will remove just about anything from a metal surface.

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 Post subject:
PostPosted: Thu Oct 01, 2009 11:25 pm 
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Joined: Thu Jan 18, 2007 5:41 pm
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Location: LA
Paint stripper will soften it up. Then you can use a scraper.

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 Post subject:
PostPosted: Fri Oct 02, 2009 8:50 am 
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Joined: Tue Feb 13, 2007 4:26 pm
Posts: 56
Location: Walnut
I used a cleaning/sanding disc like this to remove paint on one of my cars and found out it turns body filler to dust with ease. Just attach it to your drill. They also have this in a cup style for larger surfaces. But I used the disc for the entire car!
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 Post subject:
PostPosted: Fri Oct 02, 2009 1:41 pm 

Joined: Thu Aug 13, 2009 7:27 am
Posts: 350
Location: salt lake city
i found spots with 1/4"+ body filler on the 510 and just started chipping. ill try some of these other ideas. i did try one of those paint stripper wheels but it didnt work so well for the heavy stuffs.


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 Post subject:
PostPosted: Fri Oct 02, 2009 5:44 pm 
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Joined: Sat May 24, 2008 8:08 pm
Posts: 196
Location: Pit Garage
I am not sure if you can use dry ice...but for sound deadening interior on the floor pan, it works.....put dry ice, wait and bang with a rubber mallet


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 Post subject:
PostPosted: Fri Oct 02, 2009 8:55 pm 
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Joined: Tue Feb 17, 2009 8:18 pm
Posts: 813
Location: Hoquiam, WA
I've noticed alot of the old jtin I've had has had body filler underneath what apears to be oem paint. I think the manufacturers used body filler on some cars right out of the factory to smooth out minor imperfections. All my old pl521's had a crap ton of filler on every panel, and to my knowledge, they were all factory paint still.

Oh yeah, if you use a 2lb sledge to hit the crap out of the area with filler it will shatter!!! And then you can put even MORE filler in, is for fun :tu: rad!

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 Post subject:
PostPosted: Sat Oct 03, 2009 4:07 am 
Strangely, at least on the hood, under the filler is a layer of very coarsely sanded red primer, over the original paint. :roll:

Some real pro bodywork here.


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 Post subject:
PostPosted: Tue Oct 06, 2009 8:02 am 
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Joined: Sat Dec 27, 2008 2:45 am
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Location: indonesia
i used blowtorch..and when the filler started to bubble..i use a metal scrapper...
:lol:

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 Post subject:
PostPosted: Tue Oct 13, 2009 6:28 pm 

Joined: Sun Nov 16, 2008 1:37 am
Posts: 311
Location: utah
Please no one use brake fluid. It can take anything off metal i believe but can also make it so paint will not really stick to the metal the same ever again.


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 Post subject:
PostPosted: Wed Oct 14, 2009 10:28 am 
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Joined: Fri Dec 14, 2007 11:26 pm
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Location: Detroit
skyrine wrote:
Please no one use brake fluid. It can take anything off metal i believe but can also make it so paint will not really stick to the metal the same ever again.


Hmm... even after cleaning with brake clean and surface prep?

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 Post subject:
PostPosted: Wed Oct 14, 2009 2:28 pm 

Joined: Tue Jun 09, 2009 4:23 am
Posts: 156
Location: Carolina, PuertoRico
Depends, but its really hard to get it out f the metal surface.The best bet is actually paint stripper.


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 Post subject:
PostPosted: Thu Oct 15, 2009 11:48 pm 
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Joined: Sun Jul 27, 2008 6:52 pm
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Location: Brunei
Use heat gun and a scraper. Its faster, reliable and hassle free... :wink:

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 Post subject:
PostPosted: Sat Oct 17, 2009 12:22 am 
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Joined: Sun Jul 27, 2008 6:52 pm
Posts: 351
Location: Brunei
Heat gun doesnt warp metal compared to blowtorches. It heats up d fillers n soften it n this is when you can scrap it off easily even on hard corners. No dusts, no poison fumes, no hassle! :D

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 Post subject:
PostPosted: Mon Oct 26, 2009 11:48 am 

Joined: Mon Oct 26, 2009 10:43 am
Posts: 74
Location: Lake Worth, Tx 76135
When I was stripping about 4 coats of paint from my old Z28, I found out the hard way that "aircraft remover" softens up bondo. Just go to your autoparts store and get a gallon of the aircraft remover and brush it on thick. Let it sit a while and go to town with a metal putty knife. It should come right off!


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 Post subject:
PostPosted: Tue Nov 17, 2009 5:48 am 

Joined: Tue Nov 17, 2009 4:10 am
Posts: 55
from my experience seeing bodyshop staffs work, blow torch can be used. however, one need to be careful to heat only the filler and not on the metal. Slight heating on the metal is fine, as they will contract back to its original shape.


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