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715 with 6BT cooling fan options

MarkM

CODE BROWN...It's all going to sh~t !
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How about a flex fan? They move a buttload of air and flatten out as the rpm goes up. I have one on a car I have and it made a huge difference compared to the old clutch fan. Just my .02 cents.

Mark
 
How about a flex fan? They move a buttload of air and flatten out as the rpm goes up. I have one on a car I have and it made a huge difference compared to the old clutch fan. Just my .02 cents.

Mark
There is no room between the engine and radiator for the stock fan.. most people who have done this swap use a electric fan.. I didn’t do the swap i purchased it un finished..
 

MarkM

CODE BROWN...It's all going to sh~t !
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Have a pic of the engine bay? How close is the water pump to the radiator? Love that motor BTW. Tell us more about the swap.

Mark
 
Have a pic of the engine bay? How close is the water pump to the radiator? Love that motor BTW. Tell us more about the swap.

Mark.
I got this project the way it is. It Already had the engine in it.. IM trying to finish it over time or swap for a converted M37 with V8. Engine but no one has been interested to trade.. . It runs very very well.. i have always favored the M37 but this came along and was hard to pass it up.
 

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MarkM

CODE BROWN...It's all going to sh~t !
Steel Soldiers Supporter
1,081
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Location
WOBURN. MA.
You know from tge pics you just "Might" have enough room for a flex fan and it just bolts up to the water pump without the clutch setup. Just a thought.

Mark

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Barrman

Well-known member
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Giddings, Texas
I put a 1993 6BT with the stock fan and fan clutch attached into a M715. I moved the radiator which looked just like yours forward about 1/2 inch. I notched the front valence to do this.

There was a guy on the M715 zone from your part of the country that did several 6BT conversions to different M715 trucks. He even built a twin rear axle truck. All of his had the stock fan and fan clutch as well.

Turbo diesel engines need lots and lots of air flow. I don’t think there are electric fans out there that can equal an engine driven fan. I would suggest you try and keep a belt driven fan.
 
I put a 1993 6BT with the stock fan and fan clutch attached into a M715. I moved the radiator which looked just like yours forward about 1/2 inch. I notched the front valence to do this.

There was a guy on the M715 zone from your part of the country that did several 6BT conversions to different M715 trucks. He even built a twin rear axle truck. All of his had the stock fan and fan clutch as well.

Turbo diesel engines need lots and lots of air flow. I don’t think there are electric fans out there that can equal an engine driven fan. I would suggest you try and keep a belt driven fan.
I would like to get a clutch fan on it.. thank you
 

MarkM

CODE BROWN...It's all going to sh~t !
Steel Soldiers Supporter
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113
Location
WOBURN. MA.
They make left hand adaptor to go from the clutch hub mount to a belt driven flex fan setup. It installs on the threads.

Mark

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