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16  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 11:25:10 PM
sorry just noticed this thread.  Here is a pic of mine from a 08C ( August of 69) car.

This stamping looks anomalous.  I have consulted with others, so it is not just my opinion.  Sorry.

It also does not appear to fit well in the 2 letter / 3 letter code data.  I am going to modify my list of summarized data in the previous post above.  

Any late July or early August axle assembly data (plus casting number and casting date) will be greatly appreciated.  Post pics if possible.
 
17  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 11:22:16 PM
Gary, on the transmission, Yes, an August of 69 assembly sure could go into an early 70 Buick. No issue there.

There is some overlap on the 3925660 and 3925661 cases early in the 1970 model year (and in the extended 1969 Camaro production).  

The anomaly is that from what I have seen, any 3925660 cases used early in the 1970 model year with both a fill and drain plug were M22s.  The one I saw was definitely an M20 and it appeared to be all original, with both an original fill plug and an original drain plug.  

All 3925661 cases that I have seen had a fill plug and a drain plug.  
18  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 05:01:39 PM
In my humble opinion, that would not be unusual.  There is almost always some overlap.

For example, on the weekend I saw Muncie M20 assembled in August of 1969, with a 1970 VIN on it (I think for a Buick).  It had the 660 case but with both a drain and a fill plug - and used the 1970 style plugs. 
19  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 04:50:25 PM
That's fine. I am trying to look at the data right now by assembly date stamp.

And I can go back to modify my posts.   Smiley
20  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 04:35:31 PM
OK, I went through what we have so far and tried to put them in order.  It is more difficult to put the data together if everything is not in one post.  Let me know if you see errors.

Looks like we have at least a few days of overlap of the housings used in early August at the axle assembly plants. Not surprising.

06A - 9N665238
BM 0625G
860

9N677954  
C BS 0805G  
341, cast G 25 9

Build week and/or VIN ?
C BM 0807G1
860, cast F 24 9

Build week and/or VIN ?
C BS 0820G2
341, cast H 11 9

08E  
C BU 0828 G2
341, cast H 13 9

09A - 9N680789
C BU 0828    
341

09A
C  BU date is 82X
xxx

09C
CB U 0829G1
341

Build week and/or VIN ?
C BU 0916
341, cast J 6 9
                        
21  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 12:51:56 PM
I am going to try to summarize what we have so far and put into one post.
22  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 12:45:08 PM
Yes, I see it now.  

sorry just noticed this thread Here is a pic of mine from a 08C ( August of 69) car.

You also said
Quote
I have the 3969341 rear end, dated (I think ) G 25.

Can you post a picture of the casting date please?
23  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 11:24:23 AM
We are getting closer on this.  When you post, make sure you include not only the casting number and casting date, but the COMPLETE data on the assembly stamp. That includes 2 or 3 letter code, date code, assembly plant and shift.  

And having pics to back up the data would be great.

Will get something written up when things are closer to final.

Thanks!
24  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: June 27, 2014, 08:02:08 AM
Kurt would be able to answer better, but your axle stamped CBU0916 may be OK for your car.  

You can send pics to my email and I will post them if you want. Click on my username to get my contact info.
25  Camaro Research Group Discussion / Decoding/Numbers / Re: MUNCIE 1967 STAMPED YU WITH VIN# L165927 IS THIS A YUTIVO MUNCIE on: June 26, 2014, 09:32:13 PM
I missed the part on the 429 tail housing. That portion is not from a Camaro either.
26  Camaro Research Group Discussion / Decoding/Numbers / Re: MUNCIE 1967 STAMPED YU WITH VIN# L165927 IS THIS A YUTIVO MUNCIE on: June 26, 2014, 08:20:33 PM
Looks like the main case is from a full size car, like Ed said.  

The tailhousing appears to be from a different car - probably a LOS build Camaro or full size Chevrolet.

I have no idea on the Y U stamping.  
27  Camaro Research Group Discussion / General Discussion / Re: 1968 Camaro Z28 without a Tach?? on: May 16, 2014, 12:17:22 PM
Danny, a lot of 1968 Z28s did not have a tachometer. It had to be included with option U17. 

You can see this link. http://www.camaros.org/pdf/options.pdf
28  Camaro Research Group Discussion / Research Topics & Reports / Re: Original 67-69 Camaro driveshafts - information requested about your car on: May 15, 2014, 10:47:18 AM
Thanks Eldon, yes please post any additional information when you have a chance.
29  Camaro Research Group Discussion / Research Topics & Reports / Re: Earliest 3969341 and Latest 3894860 axles on: May 14, 2014, 01:57:04 PM
OK, please post up that data when you have a chance.
30  Camaro Research Group Discussion / Decoding/Numbers / Re: CE coded warranty engines on: May 14, 2014, 01:55:11 PM
Man they must have went through a lot of them. My 69 big block is CE974163 dated June 11 1969. I guess that would say over 24,000 CE,s by June.

Remember, the sequence started with production at the beginning of the model year, not the calendar year.  So by June, you are getting close to the end of the model year.  And that was for all CE engines from that plant.
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