 Ah, the joys of removing the undercoating |
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| ChrisReale |
  Mar 8 2003, 09:08 PM
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#1
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Sleazy  Group: Members Posts: 2,665 Joined: 20-January 03 From: San Francisco Member No.: 176  |
This stuff is foul (IMG:style_emoticons/default/barf.gif) . Took me hour and a half to remove the undercoat in the front left wheel well. The stuff was old and crunchy, so I just kind of chiseled it off (IMG:style_emoticons/default/smash.gif) . Once I get it all off, should i leave it bare, or paint it. If I do paint it, would you say black por-15, or somethijng else?
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| campbellcj |
Mar 8 2003, 09:31 PM
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#2
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I can't Re Member Group: Members Posts: 4,539 Joined: 26-December 02 From: Agoura, CA Member No.: 21 Region Association: Southern California 
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Is your paint coming up with the schmutz (undercoat)? I have had decent luck chipping it up without disturbing the factory paint too much. If you're getting down to bare metal, then some kind of coating obviously would be a good plan. How well does POR-15 hold up to sandblasting, heat, and water? I have only used it on enclosed areas so far.
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| ChrisReale |
Mar 9 2003, 12:29 AM
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#3
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Sleazy Group: Members Posts: 2,665 Joined: 20-January 03 From: San Francisco Member No.: 176 |
The original paint is seeming to be intact, and in quite fine condition. However, its metallic silver, and the car has since been painted guards red (not by me!!). I thinkl Por-15, if done correctly (Metal Ready then paint) works great in exterior applications. I have a nice pile of this undercoat shit that I am going to save and weigh to see how faster it will make me (IMG:style_emoticons/default/laugh.gif)
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| SirAndy |
Mar 9 2003, 02:00 AM
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#4
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Resident German Group: Admin Posts: 41,602 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
undercoating is a bitch. but i was recently advised by scott yeaman (a fellow 914 racer and body-shop owner) who is currently painting my car (IMG:style_emoticons/default/pray.gif) (thanx scott!) that undercoating helps preventing the FG flares from cracking because it absorbes some of the impact from road-debris and stones that hit the inner fender. i had fine cracks on the seam between metal and FG and the FG itselfs in several spots and he recommened a thick layer of undercoating on the FG part.
Andy |
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| Lawrence |
Mar 9 2003, 08:03 AM
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#5
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Senior Member Group: Benefactors Posts: 1,661 Joined: 5-February 03 Member No.: 244 Region Association: None  |
I had some luck with softening the undercoating with gentle application of a heat gun.
My car having been in the midwest, there were several layers of the stuff. I think the DAPO was a little over-zealous. I didn't remove all of it, though, just where I needed to do some welding. I covered the area with POR-15, and then topped it with 3M spray undercoating. Good luck, Rusty |
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