Thanks for clarifying engine origination. Looks like the case would have the hole but hole was repurposed for my truck. This pic is from eBay for 37-39 case. I will be able to add fluid on Monday and check if that is the major leak or if there are more places. Then fill and see if “crack” is from the casting or leaking also.
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1946 Chevy Truck 216 1/2 ton
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