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					Originally Posted by  Philliphastings
					 
				 
				Back to the manual .......clearly shows them in the cut away diagram of the engine block. 
			
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 I don't guarantee that Ford did it too, but I am certain that Chevrolet used some of the diagrams from pre-war civilian parts manuals in making CMP parts manuals and some of the photos in the maintenance manuals look extremely similar to those seen in pre-war maintenance manuals. After all, if they were using carry-over parts why retake the photos just to be different?