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Help ID Flathead 4


pcolleary
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That is a 1940's- early 1950's  Ford industrial or '40-41 light truck or GPW engine block (due to the fuel pump block-off plate) based on the Ford "N" series Tractor engine with a few somewhat crude  modifications (the trimmed off bellhousing where the starter mounts and the welded in water port where a core plug once resided). No idea about who made the (marine??) conversion parts.

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heres a stock ford "N" block. notice how the I & E ports, water pump and tappet galleys line up. Your cam gear is also a give away- not only its design but  the SLIGHTLY  off-set slot on the end of the camshaft drives the ignition system on a stock pre-1950 Ford tractor or industrial engine. 

39-50 Engine Outside Break.jpg

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Still based on a Ford, just much weirder now.... A stock Ford camshaft-driven distributor would bolt right up to that empty hole with the 2 threaded holes in that front cover. It looks like the water pump was driven off of the backside of this cover, behind that round cover with the 3 hex and 3 allen head bolts, and the Fairbanks Morse Magneto was driven in line behind the pump off of the shaft at the rear of the pump with that rubber "gear" serving as a lovejoy type link between the two?

 

Thats a whole lotta re-engineering and low volume manufacturing for a nominal 20 h.p.!

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