Just a quick reply that the casting code pictured "3837004" is noted to be a 1955-57 235 with the large water pump hole according to my "US" engine data. Can't confirm if Canadian 235's used the same casting number???
The "C252537" serial number would indicate a Canadian made engine, as that format wasn't used in US 235's. Hopefully someone with more Canadian engine knowledge will chime in and provide more details.
As you are indicating a "Victoria, BC" location, it would make sense that you have a Canadian 235.
If you look for the "casting date code" info on the side of the block directly above where the starter mounts, that may better pinpoint when it was built. Maybe post another pic when you get the chance.
Hope this answers your question.
Dan
