Quote:
Originally Posted by marko39
After finnaly getting an engine in my 39 deluxe I am sorting things out. Cooling fan does not seem correct for this engine as it is barely 1/2 inch from radiator. It measures 4 1/2 inches from outside of hub to mounting flange and is 15 3/4 inches in diameter. I don't think this is a 91a fan but don't know. Does anyone know the correct dimensions of a 91a fan? Fan in question came off a 38 engine with short crank snout. Thanks, Mark
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It sounds as if you have the 39 / 40 Mercury fan. At first glance it appears identical to a 39/40 Ford fan. Upon closer inspection, you'll note the distance from the mounting surface to the hub is longer on the merc.
Fortunately for you, 39/40 fans are all over the place and reasonable.