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Author Topic: Gas tank date codes  (Read 63148 times)
Buddy
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hurcousa
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« Reply #45 on: July 23, 2009, 02:40:23 PM »

The Tank is out of the car and I cleaned both rear corners top and bottom. I used lacquer thinner to clean down to bare metal and nothing. Could it be somewhere else on a 67??

CRG should be taking note of the info gathered in this thread and make a paper on it. Cool

Thx
Buddy
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Pex68
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« Reply #46 on: July 23, 2009, 03:28:11 PM »

Buddy,
FRONT drivers side facing ground as installed!
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Chris P
1968 Sequoia Green SS 396/325 M20
Buddy
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hurcousa
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« Reply #47 on: July 23, 2009, 05:36:10 PM »

Sorry, I mis-spoke, I had done the 2 front corners top and bottom and nothing is there.

Thx
Buddy Embarrassed
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1968RSZ28
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« Reply #48 on: July 23, 2009, 06:19:46 PM »

9B of 68     Tank date  1  69

Thanks!  We've added your data below...

12D  68 20
02C  68 27
05D  68 44
07D  68 52
07D  68 53

09B   1 69
10A   6 69
12A  16 69
01B  21 69
01C  22 69
02D  28 69
02D  29 69
02D  29 69
04C  37 69
04C  37 69
05A  37 69
05E  41 69
06A  42 69

Paul
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asm69
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« Reply #49 on: July 23, 2009, 06:56:47 PM »

I wanted to send my information on my gas tank code. I'm not sure which direction to look at the code.
One way it reads 10 69 with the number 1 upside down, the other direction it reads 69 01. I have an
early Los built 69 Z with a build date of 10D 1968.

What does the tank decode to?

Pics Attached.

asm69

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1968RSZ28
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« Reply #50 on: July 23, 2009, 07:12:59 PM »

I wanted to send my information on my gas tank code. I'm not sure which direction to look at the code.
One way it reads 10 69 with the number 1 upside down, the other direction it reads 69 01. I have an
early Los built 69 Z with a build date of 10D 1968.

What does the tank decode to?

I'd say 10 69 , it fits the pattern below...

12D  68 20
02C  68 27
05D  68 44
07D  68 52
07D  68 53

09B   1 69
10A   6 69
10D  10 69
12A  16 69
01B  21 69
01C  22 69
02D  28 69
02D  29 69
02D  29 69
04C  37 69
04C  37 69
05A  37 69
05E  41 69
06A  42 69

Paul
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Pex68
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« Reply #51 on: July 23, 2009, 11:48:53 PM »

Sorry, I mis-spoke, I had done the 2 front corners top and bottom and nothing is there.

Thx
Buddy Embarrassed

Buddy, did you check the other corners and all along the seam?  That's the only place it could be since the stamp was like clamp it needed a flat surface to "clamp" on to.  Let us know.

So I guess we need also to get some other 67 guys to chime in here to see what's up with 67 tanks...dated or not and where?
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Chris P
1968 Sequoia Green SS 396/325 M20
sixt9x33rs
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« Reply #52 on: July 24, 2009, 06:04:00 AM »

My original tank is out of my car and I hunted around last night and found the numbers.

My car is a 69 Z/28 03D build date and the gas tank date code is 45 69.

My tank leaks in the right front corner of the tank. Not on a seam but through the metal itself. Weirdest thing it looks like there are a bunch of tiny holes grouped together and the gas just seeps through there. I would like to restore the tank and use one day. Does anybody know of a gas tank restoration shop?

Thanks,

Lawrence
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'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles
paceme
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« Reply #53 on: July 24, 2009, 06:24:16 AM »

10A of 69     Tank date  9  70
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Steve Shauger
Vintage Certification™ Program, Providing Recognition And Status To Unrestored Vehicles. Website www.vintagecertification.com
KurtS
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« Reply #54 on: July 24, 2009, 10:18:26 AM »

Lawrence,
35 69 looks better. Else I'd say your tank has been replaced.

Steve,
Nice to see some late data! Not a huge surprise since it was almost a 1970 model, but I wasn't sure which way they would have done it.

12D  68 20
02C  68 27
05D  68 44
07D  68 52
07D  68 53

09B   1 69
10A   6 69
10D  10 69
12A  16 69
01B  21 69
01C  22 69
02D  28 69
02D  29 69
02D  29 69
03D  45 69 - replaced?
04C  37 69
04C  37 69
05A  37 69
05E  41 69
06A  42 69
10A   9 70
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Kurt S
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JohnZ
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« Reply #55 on: July 24, 2009, 11:27:50 AM »

Wouldn't surprise me to see pattern differences between NOR and LOS cars; the tanks at Norwood were made at Chevrolet-Flint Bristol Road Stamping, and the tanks for Van Nuys cars were sourced to an outside supplier in California instead of shipping rail car loads of "air" across the country. That California supplier also made the "B"-body tanks for Van Nuys and for the South Gate plant across town.
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'69 Z/28
Fathom Green
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asm69
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« Reply #56 on: July 25, 2009, 08:41:51 AM »

So it seems gas tanks were stamped for model years and not year of manufacture.
As in my case where I have a Los built 69 Z with a build date of 10D 1968.

Though the gas tank stamping is 10 69.

asm69
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sixt9x33rs
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« Reply #57 on: July 25, 2009, 12:39:57 PM »

Here is my date code.

The tank does not look like it was replaced because it has under coating all over it that matched what was under the car? But of course I dont know for sure.

Thanks,
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'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles
rare4k
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« Reply #58 on: July 25, 2009, 12:41:02 PM »

I justed went into my shed and pulled out the one i picked up for my 67 car the date on the tank is 52 N 6  get a pic for you all so there has to be a couple for the 67 aswell
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Camaro Billy
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« Reply #59 on: July 26, 2009, 02:39:36 PM »

Here is a shot of my code on my 1969 car. It is an 11D 1968 build.
The code is 14 69  , so that fits right in with the run week / model year coding
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1969 RS/SS 350/300 Rallye Green . Black Vinyl Top
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