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Quote:
Originally Posted by rotorwrench
The engines manufactured in the Koln plant generally have their casting marks. I think the 29T was early and G29T was later. They have different heads and a distributor mounted on the back above the oil pump. French engines of the early type usually have their distinct SAF casting marks.
That one appears to be 81A type manufactured in the US. The Canadian type would be C81A. I'm not sure about engines manufactured at the Dagenham plant in England as far as prewar but the 221 wasn't as popular in the UK due to tax problems.
All of the USA 239 engines have round port holes in the center of the deck. That one has the trapazoidal or keystone shape indicating a 221. If it has 3 3/16" +.010 pistons then that would be about as far as a 221 will go normally. A sonic check of the cylinder wall will tell the current wall thickness. I've never seen a 239 with the keystone ports. I have seen some 221 engines that were sleeved for larger bores though.
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Yes, I know later Ford Koln engines had fk casting marks and dist in bellhousing + that wonderfull aluminium oil pan!
they also had same H in bellhousing than this one.
this is definitely not USA made block! I have 39-40 thin sleeve usa block also, 221 and those cylinder walls are very thin compared to this. I will post more pics side by side soon.