Posted by D Slater on December 04, 2011 at 12:27:50 from (184.15.30.71):
In Reply to: Farmall 450 posted by Larry James on December 04, 2011 at 09:15:38:
6722DJ is the casting # for a M block, but original M blocks didn't have the size on them.
I suspect its a replacement block from IH. Does it have a small plate behind the carburetor on the engine block? IH done some strange things with some replacement blocks so there's some possibility the bore could be 281 size. Maybe the 3645 was the original engine # that someone added back on. What is the tractor serial #?
Also don't know how long after M production ended that C248 engines were used for other aplications. Have saw replacement blocks with C248 dated to after the middle sixties.
If 1 17 C is the date code, cast in 57.
This post was edited by D Slater at 12:30:09 12/04/11.
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