mechanical fan

PretendFarmer

Well-known Member
I've seen a couple people running electric cooling fans on their Farmall M's. Does that make a noticible difference? I know the mechanical fan takes power to turn, question is how much?
 
Bear in mind that those belt driven fans are using power to cool the engine. There is no 12V electric fan that will cool like a belt driven fan. They (electric) are simply not capable of the same cooling (airflow) capacity. Your engine will run hotter. Also, ask yourself this: Where does the electricity come from?

Regards,

Goldsburg
 
(quoted from post at 13:55:59 10/09/15) Bear in mind that those belt driven fans are using power to cool the engine. There is no 12V electric fan that will cool like a belt driven fan. They (electric) are simply not capable of the same cooling (airflow) capacity. Your engine will run hotter. Also, ask yourself this: Where does the electricity come from?

Regards,

Goldsburg

During an actual pull I would switch the fan off. So the fan would be on right before and right after the pull. Even if it frees up 1-2 hp I would consider that worth it on a tractor that only has 25 horsepower, which is probably about where my Farmall C is.
I would never do that to a field tractor. But on a pulling tractor that spends most of its time on idle, I'm thinking it might be a viable idea.
 
You could make some small carb changes and get more than that. In addition, have you tuned the ignition timing and carb settings on a dyno? I would say there is probably 2 to 3HP there on a small engine like yours. On a more 'normal" sized engine, like an H or an M, you can usually find 5 to 7HP.

Your doing an awful lot of work for such little return, while inviting trouble with running it hot...

Regards,

Goldsburg
Goldsburg Performance
 
How does a Eco-boost Ford cool. 365 HP. The baddest antique pullers are completely dry. Including the head.
 

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