 Factory Underside Corrosion Protection, What did they coat the panels with? |
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| pek771 |
 Oct 14 2021, 10:03 AM
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#21
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Member  Group: Members Posts: 273 Joined: 23-November 05 From: Conover, NC Member No.: 5,175 Region Association: None 
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Everything in the military was coated with cosmoline. There is some other stuff Porshe used on magnesium to protect it, which I think is a cousin to cosmoline. I have neither, but it is getting cleaned from to back I want to get this tub cleaned and remove the spots where water hides...like in the pedal assembly. Then I can coat it with Second Skin and undercoating.
I'm also going to mix in some microspheres with the Second Skin Acoustic stuff, for some additional sound deadening and thermal insulation |
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| Mikey914 |
Oct 14 2021, 01:01 PM
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#22
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The rubber man Group: Members Posts: 12,649 Joined: 27-December 04 From: Hillsboro, OR Member No.: 3,348 Region Association: None
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Attached image(s) 
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| targa72e |
Oct 14 2021, 08:30 PM
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#23
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Member Group: Members Posts: 262 Joined: 11-September 16 From: colorado Member No.: 20,392 Region Association: None
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This is the floor of my 73 which I believe is very original. The underside of this car looks to be very factory.
 Cosmoline in other areas, light brown does not come off with soap and water but will with brake cleaner  No undercoating in wheel wheels on this car.  john |
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| pek771 |
Oct 14 2021, 10:07 PM
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#24
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Member Group: Members Posts: 273 Joined: 23-November 05 From: Conover, NC Member No.: 5,175 Region Association: None
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Thanks Mark, That is what is on the bottom of the 70.
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| bbrock |
Oct 15 2021, 07:57 AM
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#25
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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QUOTE(pek771 @ Oct 14 2021, 10:03 AM)  There is some other stuff Porshe used on magnesium to protect it, which I think is a cousin to cosmoline. Tectyl - I put it on my engine and transmission after rebuild. Very much like cosmoline. It melts and "flows" when the engine and trans are hot and then resolidfies into a waxy coating when they cool down. I thought it would burn off int he first thousand miles but it is still there after 2,500. |
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| davep |
Oct 15 2021, 08:05 AM
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#26
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914 Historian Group: Benefactors Posts: 5,137 Joined: 13-October 03 From: Burford, ON, N0E 1A0 Member No.: 1,244 Region Association: Canada  |
The PVC undercoating was an option, and most often specified for Canadian cars or those in the northern US states. The PVC was a thick undercoating, and applied before painting.
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| mate914 |
Oct 15 2021, 08:42 AM
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#27
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Matt Group: Members Posts: 739 Joined: 27-February 09 From: Eagles mere, PA Member No.: 10,102 Region Association: North East States
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The company Called "U-POL" makes the stone guard for Wurth. They make a lot of products. I used the stone guard they have then painted over it. Made right hear in PA.
Matt (IMG:style_emoticons/default/flag.gif) |
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| Jett |
Oct 15 2021, 10:06 AM
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#28
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Senior Member Group: Members Posts: 1,637 Joined: 27-July 14 From: Seattle Member No.: 17,686 Region Association: Pacific Northwest
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QUOTE(raynekat @ Oct 13 2021, 05:22 PM) Porsche in the early days used a brown waxy product called cosmoline on all the 911's. Not sure about the 914's? My 06 M3 had it slathered on from the factory, found out because it was dripping on the garage floor (IMG:style_emoticons/default/smile.gif) |
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| mlindner |
Oct 16 2021, 05:36 AM
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#29
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Senior Member Group: Members Posts: 1,515 Joined: 11-November 11 From: Merrimac, WI Member No.: 13,770 Region Association: Upper MidWest
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My painter shot it with Bed Liner, not a factory look but I like it.
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| Mikey914 |
Oct 21 2021, 10:52 AM
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#30
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The rubber man Group: Members Posts: 12,649 Joined: 27-December 04 From: Hillsboro, OR Member No.: 3,348 Region Association: None
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We did the bedliner, but it was tintable. Did the same color as the car. Now just need to finish the assembly.
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| roblav1 |
Oct 21 2021, 02:43 PM
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#31
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Senior Member Group: Members Posts: 528 Joined: 18-September 12 From: KY Member No.: 14,943 Region Association: MidAtlantic Region |
Wurth USA website doesn't show a tan color. I found only black or gray.
Anyplace else for tan paintable rubberized undercoating? |
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| burton73 |
Oct 21 2021, 03:10 PM
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#32
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burton73 Group: Members Posts: 3,510 Joined: 2-January 07 From: Los Angeles Member No.: 7,414 Region Association: Southern California
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QUOTE(roblav1 @ Oct 21 2021, 01:43 PM) Wurth USA website doesn't show a tan color. I found only black or gray. Anyplace else for tan paintable rubberized undercoating? I got a bit of it from AA ( George) back in 2010 or so. All I can say is the factory put a shit load on my 6. Bob B |
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| roblav1 |
Oct 21 2021, 05:27 PM
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#33
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Senior Member Group: Members Posts: 528 Joined: 18-September 12 From: KY Member No.: 14,943 Region Association: MidAtlantic Region |
QUOTE(burton73 @ Oct 21 2021, 05:10 PM) QUOTE(roblav1 @ Oct 21 2021, 01:43 PM) Wurth USA website doesn't show a tan color. I found only black or gray. Anyplace else for tan paintable rubberized undercoating? I got a bit of it from AA ( George) back in 2010 or so. All I can say is the factory put a shit load on my 6. Bob B Mine too, built Apr 1970. Thanks, I'll check with George. |
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