And This: 
 
1940 passenger car engines that were assembled in Flint carried 7 digit numbers. Tonawanda assembled engines used a 6 digit numbering system preceeded by the letter B.  
 
The range of serial numbers for a 1940 engine are as follows: 
 
Flint: 2697268 - 3665902 
 
Tonawanda: B105462 - B221935 
 
1940 engines bearing the prefix BR or just a single R were destined for right drive country production. 
 
 
 
Canadian production figures are within this group. Obviously duplicating US numbers but hopefully differentiated by vehicle application prefix. 
Walkerville, Ontario aka Windsor: 1997877 … 3556862 or 3557935 
 
My engine falls in the Tonawanda 6 digit group for 1940??
		 
		
		
		
		
		
		
		
		
			
				  
				
					
						Last edited by Lang; 13-01-23 at 08:42.
					
					
				
			
		
		
		
	
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