coating on inside of rear quarters???

[roush235]

I'm cleaning up/ restoring the inside trunk area of my 79 coupe. On the inside of the rear quarters is a coating. It's some sort of petroleum-based product, soft, somewhat thick (maybe 3 or 4 sheets of paper thick), covering about the bottom 2/3 of the quarter panel. It comes off with a fingernail or a good scrub with Simple Green. The oddest part is that it is not black, it's gold.

This coating is all scraped up from putting stuff against the fender, and I'd like to put it back to original as best I can. I had the car undercoated at the dealer when it was new, and at first I thought this was part of the undercoating job. But after examining exactly where and how it has been sprayed on, I think it is some sort of factory coating.

What does your car have? Any clues or advice?

[f4fntm]

I'll show you mine if you show me yours... how 'bout a pic?

[GT-350sln]

On this same topic, my 84 anny vert (cali car) has several 3 to 4 inch wide strips of rubber with jute type carpet backing glued down to the floorpan and the insides of the quarters all the way up to the front of the back seat. Has anyone else seen this? The first I have seen like this. I was wondering if this was something cars and concepts did or what. It looks to have been done when the vert conversion was done. It would have been inpossible to do after the car was build and sold.

[roush235]

Take a look:

http://www.foureyedpride.com/phpBB2/album_thumbnail.php?pic_id=6410

[f4fntm]

'K. Here's mine:

http://home.comcast.net/~throg/79insidetrunk.JPG

http://home.comcast.net/~throg/79insidetrunk2.JPG

And the full-size shot of yours:

http://www.foureyedpride.com/phpBB2/album_pic.php?pic_id=6411

You've got what looks like two different substances on your trunk: the gold stuff you mentioned, plus that black stuff. I've seen the black in other cars; clearly supposed to provide some sort of protection and seal sheet metal seams. I wonder why there's two different kinds?

My car has a lot less goop laid on; just the white stuff you see on the seams. The inside of the fenders have no goop at all. In some areas you can see some darker substance on top of the white, like it grew there or something. I'm not to good with colors, can't really tell if it's black or really dark green or what. All (both white and dark) are just kinda hardened gelatinous substances, scrape off w/a fingernail.

[ashley roachclip]

that appears to be cosmoline .....

[roush235]

Thanks for upsizing my picture.

What is cosmoline, a brand name of coating??

[ashley roachclip]

cosmoline is a waxy substance sprayed on to protect from rust .
I remember back in the day , I was running the detail shop for the GMC dealer , and the sold Nissans , those cars would come in with cosmoline in every crack and crevise , I had some solvent that would remove iit so the car could be prepped , now that most of these japanees cars are built here , there isn't any more cosmoline....
,,,the military used this stuff to coat everything from guns to jeeps....

[Travis T]

I've seen that stuff in a few of the 79 hatchbacks I have taken apart.

[GT-350sln]

SO has anyone seen or heard of the strips in the vert trunk I describbed earlier? I noticed the pics were of coupes and not verts. Hope someone can shed some light on this?