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Bruce Lancaster · 01-22-2015, 02:19 PM

The round boss about an inch to the right of the vertical port is the one that I believe went on during WWII for commonality with Canadian production...you can see one drilled with a fitting there in pics in the '37-48 overhaul book from Ford. Some '42 type blocks lack this, so I assume they are civilian 1942's or early wartime...but I do not really know for sure. That marker remains on postwar flatheads.
This would seem USA...Canadian blocks got there designations like C29 clearly marked up front. The C shown is on some sort of foundry or date code, not a Canadian part or model designation.
My take is that it is a USA WWII block.

01-22-2015, 02:19 PM	#7
Bruce Lancaster Member Emeritus Join Date: May 2010 Location: Madison, NJ Posts: 5,230	Re: What can you tell me about this block? The round boss about an inch to the right of the vertical port is the one that I believe went on during WWII for commonality with Canadian production...you can see one drilled with a fitting there in pics in the '37-48 overhaul book from Ford. Some '42 type blocks lack this, so I assume they are civilian 1942's or early wartime...but I do not really know for sure. That marker remains on postwar flatheads. This would seem USA...Canadian blocks got there designations like C29 clearly marked up front. The C shown is on some sort of foundry or date code, not a Canadian part or model designation. My take is that it is a USA WWII block.