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Author Topic: date codes on T3 lamps?  (Read 2451 times)
BULLITT65
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« Reply #15 on: September 25, 2013, 12:03:02 PM »

as long as they are the right style ( have the lines behind the T-3) and guide at the bottom, A judge would not be able to tell the red date stamp wasn't there unless you were going to go through the trouble of taking the plastic bezel off and then removed the headlight to actually see the back of it. Do any judges do this?
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1969 garnet red Z/28 46k mile unrestored X77
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lakeholme
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« Reply #16 on: September 25, 2013, 12:06:51 PM »

Gary,
Here -pacecarJeff and Here -LL
are two ID charts for the face of T3s.  They don't mention those casting dates...
In most judging the face of the headlight would need to match, irregardless of the unseen date code.
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Phillip
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BULLITT65
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« Reply #17 on: September 25, 2013, 12:51:37 PM »

Interesting links. Your right though it looks like the only thing that isn't on the detail is the 4 digit code at the top of the lens. Looking at the prices, the $30 you paid at the swap meet looks good as long as they're operational. I would say "good buy"
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1969 garnet red Z/28 46k mile unrestored X77
Looking for 3192477 (front) spiral shocks 3192851 (rear) please
Looking for an original LOF soft ray windshield
Looking for original Delco side post negative battery cable part # 6297651AV
69Z28-RS
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« Reply #18 on: September 25, 2013, 01:32:19 PM »

Thanks fellas, for the T3 lamp education ....   Smiley
as it turns out both the lamps I bought in Charlotte, and one of the ones on my car are correct for '69.. but no inked stamps on the back.. (I cleaned 'em too good).. 
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
Hans L
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« Reply #19 on: September 25, 2013, 03:50:29 PM »

OK.   that's what I confused with a 'date code'..  the code in the glass.    The two I bought in Charlotte, and the one I already had on my car had differing 'glass codes'..  and no stamped codes on back (already cleaned off I suppose)..

You're referring to these numbers/lettes at the top, correct?

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http://www.littooy.com/hans/
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BULLITT65
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« Reply #20 on: September 25, 2013, 03:57:21 PM »

yes, it looks like J 46 on yours
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1969 garnet red Z/28 46k mile unrestored X77
Looking for 3192477 (front) spiral shocks 3192851 (rear) please
Looking for an original LOF soft ray windshield
Looking for original Delco side post negative battery cable part # 6297651AV
lakeholme
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« Reply #21 on: September 25, 2013, 05:06:47 PM »

They are mold numbers.

JohnZ verified that on Team Camaro a few years ago, so look HERE.

More Info on Corvette Forum.  So maybe, letters for supplier and numbers for mold? 
« Last Edit: September 25, 2013, 05:41:08 PM by lakeholme » Logged

Phillip
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Planning 2016 Sentimental Tour, AACA (and restoring a 40 Buick Special for it)
AACA Southeastern Division Spring Meet Chair
"Charlotte AutoFair, presented by the Hornets Nest Region, AACA, is the largest and greatest Collector Vehicle Event in the Southeast USA."
69Z28-RS
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« Reply #22 on: September 25, 2013, 09:08:55 PM »

thanks for the links Phillip.. .  Smiley
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
BULLITT65
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« Reply #23 on: September 25, 2013, 09:49:07 PM »

Hey Hans i looked back at mine, and mine start with a J as well, so possibly the same mold. Gary what letter is on yours?
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1969 garnet red Z/28 46k mile unrestored X77
Looking for 3192477 (front) spiral shocks 3192851 (rear) please
Looking for an original LOF soft ray windshield
Looking for original Delco side post negative battery cable part # 6297651AV
69Z28-RS
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« Reply #24 on: September 25, 2013, 10:17:39 PM »

I can't believe I went downstairs to the garage to check this.   Smiley  I think I have a serious case of Camaroitis....

the three I have with correct T3 markings are a C, a J, and a K....
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
lakeholme
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« Reply #25 on: September 26, 2013, 11:05:26 AM »

Can't find any info on the mold codes...  Wonder if JohnZ knows?

Anyway, found another T3 chart on a Caddie website:
(if you save it, it does have enough detail to make it larger and easier to read...)
« Last Edit: September 26, 2013, 12:17:14 PM by lakeholme » Logged

Phillip
HNR-AACA, Senior Master
Planning 2016 Sentimental Tour, AACA (and restoring a 40 Buick Special for it)
AACA Southeastern Division Spring Meet Chair
"Charlotte AutoFair, presented by the Hornets Nest Region, AACA, is the largest and greatest Collector Vehicle Event in the Southeast USA."
Mike S
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« Reply #26 on: September 26, 2013, 11:14:23 AM »

 Thanks for the picture.
Now....I wonder what does T-3 stand for?  I'm sure it's a company name and thinking it is TTT.

Mike
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69Z28-RS
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« Reply #27 on: September 26, 2013, 12:14:40 PM »

What 'T3' means..   *might* have to do with the filament size..  but I cannot find any confirmation..?
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
lakeholme
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« Reply #28 on: September 26, 2013, 01:08:38 PM »

Thanks for the picture.
Now....I wonder what does T-3 stand for?  I'm sure it's a company name and thinking it is TTT.

Mike

T-3 is a "designation" but the company name was Guide, as in the Guide Lamp Division of GM.
At any rate, Here is a former employees of Guide's website.  Make sure you click on the links for different pamphlets about Guide's history.
I love this kind of stuff...  Grin
« Last Edit: September 26, 2013, 01:57:33 PM by lakeholme » Logged

Phillip
HNR-AACA, Senior Master
Planning 2016 Sentimental Tour, AACA (and restoring a 40 Buick Special for it)
AACA Southeastern Division Spring Meet Chair
"Charlotte AutoFair, presented by the Hornets Nest Region, AACA, is the largest and greatest Collector Vehicle Event in the Southeast USA."
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