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  #1  
Old 12-10-08, 11:35
David_Hayward (RIP)'s Avatar
David_Hayward (RIP) David_Hayward (RIP) is offline
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Location: The New Forest, England
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Default Numbering system

Don't get me started on this! It causes my numiscalcula! After 1933 Walkerville Transmssion Plant split engine # allcoations up into batches, as against the US Flint Motor Plant's sequential series. However Flint changed that when the 1937 216 came in, with a new series starting again. Walkerville did likewise, but then moved to a new system in 1946 Model Year after the Auto Workers' Strike was settled. Then you have different series for 235, 224, 248 engines...with different prefixes! I maintain my database which quotes published engine # and serial # data and then on actual vehicles' numbers. It is not perfect and never will be but it enables me to see that there was a lot of changing-around of numbering systems in GM of C!
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  #2  
Old 12-10-08, 11:54
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aj.lec aj.lec is offline
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Hello David
I discovered your site today ,very interesting and a great resource .Thanks
I was checking some of the trucks versus numbers and was a little suprised when i discovered one of the motors i have here was only one digit different to one listed .mine being wr3943037 and list being wr3943036 as a c15a july 31 1944 sydney assembled
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  #3  
Old 12-10-08, 12:57
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David_Hayward (RIP) David_Hayward (RIP) is offline
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Join Date: Feb 2003
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Default Engine #s

This is quite amazing! If you can imagine, 60 + years later two engines have turned up that were built within a few minutes of each other at Walkerville! However, I seem to recall I have found similar examples before but will check.

A quick study of my database has:


WR3943037
38444S0364 ENGINE WR3943036 ORDER W.O.8 S-M0E52-446 JULY 31 1944 [SYDNEY ASSEMBLED]
3844326725 ENGINE PR3943506 CDLV 1515 NOVERMBER 19 1943
3844326798 ENGINE PR3943551 CDLV 1515 NOVEMBER 22 1943
3844031469 ENGINE WR3947470 C.D.L.V.1798 FEBRUARY 23 1944
3844032286 ENGINE WR3949573 C.D.L.V. 1798 MARCH 8 1944
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Old 12-10-08, 13:02
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David_Hayward (RIP) David_Hayward (RIP) is offline
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Join Date: Feb 2003
Location: The New Forest, England
Posts: 3,841
Default Engine # prefixes

From my notes (excuse caps.)

Quote:
“R” [CAR] “AR” “CR” “FR” “PR” “SR” “TR” “WR” “ZR” WITH THE “R” FOR R.H.D. MOTORS AND ALSO “TRA” AND “TBA” AND “TBRA” IN 1940 FOR “TRUCK, RIGHT HAND DRIVE, ARMY”; “TRUCK, BUFFALO -ASSEMBLED, ARMY” AND “TRUCK, BUFFALO-ASSEMBLED, ARMY, RIGHT-HAND DRIVE” WHEN “B” FOR “BUFFALO” RERESENTED THE TONAWANDA, NEAR BUFFALO, NEW YORK STATE, ENGINE PLANT. THERE MAY ALSO HAVE BEEN “TR” ON ½ TON GMC TRUCKS,
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Old 23-10-08, 11:07
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aj.lec aj.lec is offline
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c8 engine before it went to the machinist
One sleeve required -no guesses for which one
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  #6  
Old 02-12-08, 13:53
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aj.lec aj.lec is offline
Andrew
 
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Been putting this job off
And I now know for good reason
I have never seen bolts stick so hard in to cast
5 Hours yesterday and 1 tonight but finally all holes cleared
first 2 photos as i got it (only with pilot holes i drilled)
last 2 photos as it looks tonight
range of tools ? oxy ,drills ,allen keys ,more oxy ,die grinder ,chisel ,more oxy, punches and taps
p.s. Forgot to mention -monumental amounts of profanity by all involved
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File Type: jpg IMGP1684.jpg (33.7 KB, 70 views)
File Type: jpg IMGP2089.jpg (32.3 KB, 76 views)
File Type: jpg IMGP2090.jpg (39.4 KB, 76 views)
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  #7  
Old 28-12-08, 00:31
Bob McNeill Bob McNeill is offline
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A J are the front casting the same as C15 , check the frames I,ve obtained, think they,r 12,s.
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File Type: jpg No12 002.jpg (41.3 KB, 48 views)
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