Questionable Muncie stamp... - Chevelle Tech
Tag Team De-coding cowl tags and vin numbers.

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post #1 of 14 (permalink) Old Nov 22nd, 16, 4:53 PM Thread Starter
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Questionable Muncie stamp...

I picked up another one recently, the price was right. But, I am not sure the stamps are legit.
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post #2 of 14 (permalink) Old Nov 22nd, 16, 8:35 PM
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Re: Questionable Muncie stamp...

IF the numbers to the right of the Assembly Date Code in the photo are supposed to be a VIN they are fake. The VIN stamp was made with a Gang Stamp" and therefore would be evenly spaced and in line.


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post #3 of 14 (permalink) Old Nov 23rd, 16, 7:09 PM
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Re: Questionable Muncie stamp...

VIN stamp looks like 29P214262. That first 2 would mean Pontiac, wouldn't it? Does anyone here know for sure what stamp methods were being used by Pontiac in 1969 in whatever plant the P stands for in a Pontiac VIN?

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post #4 of 14 (permalink) Old Nov 23rd, 16, 7:54 PM
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Re: Questionable Muncie stamp...

Quote:
Originally Posted by jeffschevelle View Post
VIN stamp looks like 29P214262. That first 2 would mean Pontiac, wouldn't it? Does anyone here know for sure what stamp methods were being used by Pontiac in 1969 in whatever plant the P stands for in a Pontiac VIN?
All GM plants used a Gang Stamp -- it's a time saver. P = Pontiac, MI Final Assembly Plant.

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post #5 of 14 (permalink) Old Nov 24th, 16, 10:21 AM
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Re: Questionable Muncie stamp...

Quote:
Originally Posted by NickeyChevelle View Post
All GM plants used a Gang Stamp -- it's a time saver. P = Pontiac, MI Final Assembly Plant.
No, not All GM plants used a gang stamp, not until 1968.
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post #6 of 14 (permalink) Old Nov 24th, 16, 10:57 AM
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Re: Questionable Muncie stamp...

Quote:
Originally Posted by DaleM View Post
No, not All GM plants used a gang stamp, not until 1968.
The discussion involved the Model Year 1969 -- no other years.

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post #7 of 14 (permalink) Old Nov 24th, 16, 11:02 AM
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Re: Questionable Muncie stamp...

I like Dale's answer best - more precise and comprehensive.

Corey banned permanently on 3-6-20 for continued abuse and generally being a time-wasting PITA. This guy doesn't seem to be able to get the idea that nobody has been hired to follow him around cleaning his messes.This action taken by Tom Mobley

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post #8 of 14 (permalink) Old Nov 26th, 16, 8:30 AM
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Re: Questionable Muncie stamp...

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post #9 of 14 (permalink) Old Nov 27th, 16, 10:57 PM
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Re: Questionable Muncie stamp...

Quote:
Originally Posted by dream66 View Post
I like Dale's answer best - more precise and comprehensive.
I agree...

While the stamp in question is for 1969, it is likely that this thread will someday be accessed by someone looking at a different year...

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post #10 of 14 (permalink) Old Dec 11th, 16, 12:00 PM
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Re: Questionable Muncie stamp...

The VIN stamp in the first post is a correct factory original stamping...

The Pontiac, Mi. assembly plant built Pontiac A-bodys only (Tempest, Lemans, & GTO's)...

I have 15 or more of these in stock, all the same sloppy stamping style...

Hope this helps... Crash
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post #11 of 14 (permalink) Old Dec 12th, 16, 8:43 PM
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Re: Questionable Muncie stamp...

Quote:
Originally Posted by crashent View Post
The VIN stamp in the first post is a correct factory original stamping...

The Pontiac, Mi. assembly plant built Pontiac A-bodys only (Tempest, Lemans, & GTO's)...

I have 15 or more of these in stock, all the same sloppy stamping style...

Hope this helps... Crash

Very interesting! And for any of you who might be non-believers, I can assure you that Crash is extremely knowledgeable about Muncie transmissions

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post #12 of 14 (permalink) Old Dec 12th, 16, 10:21 PM
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Re: Questionable Muncie stamp...

Why is there no A B or C after the Muncie P stamp??

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post #13 of 14 (permalink) Old Dec 12th, 16, 11:30 PM
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Re: Questionable Muncie stamp...

Trans was built Aug. 19th 1968(early 1969 model year) A-B-C code didn't start until late Oct of 1968...

Hope this helps... Crash
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post #14 of 14 (permalink) Old Dec 13th, 16, 8:05 PM
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Re: Questionable Muncie stamp...

Quote:
Originally Posted by crashent View Post
The VIN stamp in the first post is a correct factory original stamping...

The Pontiac, Mi. assembly plant built Pontiac A-bodys only (Tempest, Lemans, & GTO's)...

I have 15 or more of these in stock, all the same sloppy stamping style...

Hope this helps... Crash
Thanks for posting!! It's good to get answers from someone who actually has laid their hands on original parts and knows what they are talking about. That's why I asked in the earlier post if anyone knew what that Pontiac plant's stamping procedure was that year.

Quote:
Originally Posted by NickeyChevelle View Post
All GM plants used a Gang Stamp -- it's a time saver. P = Pontiac, MI Final Assembly Plant.
And this is an example of an answer that is NOT helpful, because unfortunately you had no idea whether what you were saying was accurate or not!! How many original transmissions installed in that particular plant that particular year have you ever inspected??

Not trying to be an azz, but this sort of thing annoys me -- for years and years every time a messy engine or trans stamp was posted on this forum, dozens of "experts" rushed in to proclaim it a forgery, when those who had experience with original cars and parts knew better. Some light has been shed on that subject in recent years, but knee-jerk cries of "restamp" still continue to some degree. (Like the guy who always posts a video of a circa 1995 Corvette assembly line with the same gang stamp used on trans and engine by the same guy at the same time, and says that must be how it was done in the 60's, when that just isn't correct.)

My point is, respectfully, that folks should either not guess or speculate about something if they don't know, or if they want to guess or speculate about something then they should say they are guessing and speculating, or "think" this is true or that is true, or "suspect" or "believe" whatever, rather than proclaiming something as the gospel truth when they don't know whether it is correct or not!
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