Engine is not in a m37 but its a replacement engine in a 1948 Dodge truck I recently picked and it does not appear to be the original engine and trying to figure it what it is out of any suggestions would be appreciated. I can not read the engine # I hit it with a wire wheel even tried some chalk but the numbers are impossible to read either never were or worn or ground off. I Was looking for a casting date but only found 2 sets of number
63
GWC3
L193
I did a compression test ran from 160-140 and it has the newer style connection by the water pump so that has me thinking that its newer engine then 48. But the casting date or what ever these numbers do not make any sense to me. It is a 23" head.
I did find what may be a part # under the starter 1424929
Below is a few photos
Thanks Ed
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