Re: Flathead Friday. New project. Rusty Crusty Flatty. VIDEO.
You have my block Mart! Per my avatar, looks like the same right down to the cast iron timing gear. 1939 Canadian military 239 c.i. Mercury. I've attached a pdf file of a spreadsheet I used to determine my blocks' provenance.It may help you confirm what you have. The coolant passage configuration denotes this as what was termed a "Keystone" block which, apparently, was prized by many hot rodders back in the day. Coincidentally, my engine is currently just days away from start-up after god knows how many years! Good luck with this one Mart!
Glen
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