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107538 Posts in 12507 Topics by 4812 Members
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Author Topic: 837 Stamp  (Read 1400 times)
L78 steve
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« on: February 04, 2012, 08:48:19 PM »

Opinions. Real or?
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69 Z/28 Dover White X33,ZL2,PS,M20,Std.int.04C
67 SS/RS Mt. Green 1W,2LGSR,3SL,4K,5BY,07C
copo
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« Reply #1 on: February 04, 2012, 10:32:15 PM »

Re-stamp, the #7 stamps have the incorrect fonts and not known stamp date.
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68Zproject
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« Reply #2 on: February 04, 2012, 10:54:00 PM »

The 7 fonts match my original.  I don't know about the date.
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68Z28
m22mike
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« Reply #3 on: February 05, 2012, 08:44:12 AM »

100% stamper
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X66 L78 M22 4.10 Deluxe Threads, PNT 10/10, Red Hockey stripe
MO
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« Reply #4 on: February 05, 2012, 06:00:07 PM »

I think the 7 font is ok, but it looks like a re stamp.
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Mike S
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« Reply #5 on: February 05, 2012, 06:40:46 PM »

 Doesn't the number 8 seem upside down?

Mike
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
L78 steve
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« Reply #6 on: February 05, 2012, 10:41:24 PM »

The 8 does look upside down. The 7 in 837 looks a little far in distance from 83 and I've seen 9D3 but this is the first 9D2.
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69 Z/28 Dover White X33,ZL2,PS,M20,Std.int.04C
67 SS/RS Mt. Green 1W,2LGSR,3SL,4K,5BY,07C
big iron
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« Reply #7 on: February 06, 2012, 12:23:04 AM »

Isn't that a 67 front case?
Bob
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L78 steve
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« Reply #8 on: February 06, 2012, 10:48:38 AM »

Isn't that a 67 front case?
Bob

What would be the difference between the 67 and 69 case?
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69 Z/28 Dover White X33,ZL2,PS,M20,Std.int.04C
67 SS/RS Mt. Green 1W,2LGSR,3SL,4K,5BY,07C
Mike S
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« Reply #9 on: February 06, 2012, 06:41:07 PM »

 According to this ad on ebay http://www.ebay.com/itm/1969-Z28-1100837-9D3-alternator-RARE-original-gm-stamp-427-396-copo-L78-L89-4-69-/330683082101?pt=Vintage_Car_Truck_Parts_Accessories&vxp=mtr&hash=item4cfe3f6575
if this really is real then these numbers should match the fonts for the one that started this thread.
  So, if I understand it right, fakers can now duplicate the patina on an alternator before stamping? I'm glad I have the run of the mill '693 and '805's on my cars and bought these gas guzzling pigs during and shortly after the 2nd gas crisis when people were practically giving big engine cars away.

Mike
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67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored
big iron
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« Reply #10 on: February 06, 2012, 08:47:25 PM »

Steve,
I believe that the casting flash is at the front of the adjusting lug on 67's and maybe early 68's. The 69's have it at the rear.
This is what I have observed and could be wrong.
Maybe others could tell us what they have with a picture showing the lug and date?
Bob
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L78 steve
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« Reply #11 on: February 06, 2012, 10:20:53 PM »

That ebay ad is the pic I used for comparison the difference is obvious. The casting parting line thing I wasn't aware of, Thanks for sharing that.
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69 Z/28 Dover White X33,ZL2,PS,M20,Std.int.04C
67 SS/RS Mt. Green 1W,2LGSR,3SL,4K,5BY,07C
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