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#2408094 - 11/23/17 09:46 PM Tar in trunk on my 37, Amazing preservation
AZ_A12_BEE Offline
I Live Here

Registered: 08/19/03
Posts: 18522
Loc: Dreaming of the 808
So I picked up this 1937 Plymouth 2 door business coupe and I'm amazed by how rust free it is. I cleaned the trunk out today and it was covered in a asphalt tar like product. It was lifting off in areas so I decided to remove some of it and I was amazed how preserved the metal was. zero rust, no pitting and the primer looks almost new. Was this tar stock? Has anybody ever seen anything like this before?


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69.5 A12 Bee, first purchased in 1976, car 169 on registry 69 Coronet R/T 440/4 spd 69 Coronet 500 Conv H code 383 4bbl/auto 37 Plymouth PU Find your spot on earth and ride it.

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#2408099 - 11/23/17 09:48 PM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
AZ_A12_BEE Offline
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Registered: 08/19/03
Posts: 18522
Loc: Dreaming of the 808
After


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69.5 A12 Bee, first purchased in 1976, car 169 on registry 69 Coronet R/T 440/4 spd 69 Coronet 500 Conv H code 383 4bbl/auto 37 Plymouth PU Find your spot on earth and ride it.

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#2408126 - 11/23/17 11:13 PM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
Sunroofcuda Offline
master

Registered: 01/20/03
Posts: 6281
Loc: Highland, MI.
Looks great. Take a propane torch & heat the stuff a little & it'll come off like butter. (bench test some of it first & make sure it doesn't splode or burst into flames though on the car!!!)
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#2408140 - 11/24/17 12:23 AM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
Iowan Offline
super stock

Registered: 05/23/15
Posts: 719
Loc: Lost in Time
Cool looking ride.
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#2408144 - 11/24/17 12:39 AM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
Hemi_Joel Offline
master

Registered: 01/19/03
Posts: 5509
Loc: Minnesota
My 48 & 49 Plymouths had similar tar under coating. My 31 didn't.
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#2408165 - 11/24/17 07:44 AM Re: Tar in trunk on my 37, Amazing preservation [Re: Hemi_Joel]
moparx Offline
master

Registered: 09/03/03
Posts: 8515
Loc: north of coder
my 38 had that exact same stuff not only in the trunk, but also behind the front seat and up the riser to where the trunk floor came through into the passenger compartment. that area was also covered. since it was a business coupe, i'm guessing it was used because it was way more "wearable" than the rubber floor mats of the day, and items could be slid in and out without harming the surface, yet keep said items from sliding back and forth while going down the road.
beer

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#2408171 - 11/24/17 08:07 AM Re: Tar in trunk on my 37, Amazing preservation [Re: moparx]
Rhinodart Offline
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Registered: 01/20/03
Posts: 35824
Loc: Round Lake Beach, Illinoisy
Probably asbestos... work panic
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#2408184 - 11/24/17 08:51 AM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
polaraholic Offline
mopar

Registered: 05/13/05
Posts: 463
Loc: IN
Keeps the moonshine from leaking out. drinking

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#2408208 - 11/24/17 09:57 AM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
ChryCoGuy Offline
master

Registered: 10/04/05
Posts: 5371
Loc: Canada
Pretty cool. Thanks for posting it.

So, does that look like it was applied by the factory, or would it have been something an owner did after the fact?

I suppose it might be difficult to know with a car that has 80 years of history behind it!

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#2408227 - 11/24/17 10:42 AM Re: Tar in trunk on my 37, Amazing preservation [Re: Rhinodart]
AZ_A12_BEE Offline
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Registered: 08/19/03
Posts: 18522
Loc: Dreaming of the 808
Originally Posted By Rhinodart
Probably asbestos... work panic


Everything had asbestos back then smile
_________________________
69.5 A12 Bee, first purchased in 1976, car 169 on registry 69 Coronet R/T 440/4 spd 69 Coronet 500 Conv H code 383 4bbl/auto 37 Plymouth PU Find your spot on earth and ride it.

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#2408229 - 11/24/17 10:43 AM Re: Tar in trunk on my 37, Amazing preservation [Re: ChryCoGuy]
AZ_A12_BEE Offline
I Live Here

Registered: 08/19/03
Posts: 18522
Loc: Dreaming of the 808
Originally Posted By ChryCoGuy
Pretty cool. Thanks for posting it.

So, does that look like it was applied by the factory, or would it have been something an owner did after the fact?

I suppose it might be difficult to know with a car that has 80 years of history behind it!


I'm just guessing but I think it was factory applied, the primer underneath is too nice to have been applied later
_________________________
69.5 A12 Bee, first purchased in 1976, car 169 on registry 69 Coronet R/T 440/4 spd 69 Coronet 500 Conv H code 383 4bbl/auto 37 Plymouth PU Find your spot on earth and ride it.

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#2408238 - 11/24/17 11:12 AM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
Powerflow Offline
super stock

Registered: 07/31/06
Posts: 704
Loc: New Jersey
It could also have been a dealer-installed aftersale item. Probably helped with reducing noise in the trunk.

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#2408245 - 11/24/17 11:20 AM Re: Tar in trunk on my 37, Amazing preservation [Re: Powerflow]
ChryCoGuy Offline
master

Registered: 10/04/05
Posts: 5371
Loc: Canada
Interesting. Can't recall seeing that before but then most 30s-40s cars I've seen had a rubber mat in the trunk that I wouldn't have looked under.

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#2408254 - 11/24/17 11:38 AM Re: Tar in trunk on my 37, Amazing preservation [Re: Powerflow]
AZ_A12_BEE Offline
I Live Here

Registered: 08/19/03
Posts: 18522
Loc: Dreaming of the 808
Originally Posted By Powerflow
It could also have been a dealer-installed aftersale item. Probably helped with reducing noise in the trunk.


It was very thick in some places, almost 1/4 inch thick
_________________________
69.5 A12 Bee, first purchased in 1976, car 169 on registry 69 Coronet R/T 440/4 spd 69 Coronet 500 Conv H code 383 4bbl/auto 37 Plymouth PU Find your spot on earth and ride it.

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#2408482 - 11/24/17 09:29 PM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
poorboy Offline
master

Registered: 01/19/03
Posts: 6197
Loc: Freeport IL USA
I don't ever remember seeing much of any original floor pans remaining, on any of the 30s or 40s Mopars I've had, much less what might have been covering them.

There were a few places where I've encountered some type of undercoating that looked a lot like that stuff. I suspected it was originally factory installed. It was some good stuff! I've seen clean shinny steel under it, next to rotted away sheet metal that was not protected by the undercoating. If only the entire floor would have been covered, the sheet metal might have still been good. Gene

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#2423641 - 12/25/17 01:14 PM Re: Tar in trunk on my 37, Amazing preservation [Re: Sunroofcuda]
bboogieart Offline
master

Registered: 01/12/08
Posts: 3517
Loc: Lost and Spaced
Originally Posted By Sunroofcuda
Take a propane torch & heat the stuff


I'd be worried it would catch fire and not being able to put it out.
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#2423788 - 12/25/17 09:14 PM Re: Tar in trunk on my 37, Amazing preservation [Re: AZ_A12_BEE]
Old Ray Offline
member

Registered: 09/20/16
Posts: 89
Loc: British Columbia, Canada
You have probably finished the tar removal but this MIGHT (? confused ) help someone else maybe, well maybe not , well not at all. The heck with it I'm not posting (just kidding).

My '56 Canadian Dodge 2 door wagon (Plodge) has a similar tar on the floor boards under the seats (lower right in pix) and I had a air powered gasket scarper air chisel that I have not used much that worked very well.


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