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Old 04-17-2010, 03:26 AM   #15 (permalink)
bgd73
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Join Date: Feb 2008
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oldscoob - '87 subaru wagon gl/dr
90 day: 47.06 mpg (US)
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Quote:
Originally Posted by Coyote X View Post
Dragging this thread back up to the top for some updates.

I ended up ditching the electric fans and going to a flex fan that was modified to fit on the stock clutch. That didn't change the mileage from the electric fan but kept it from overheating when loaded. I added underdrive pullies At the same time so maybe the slight loss from the flex fan was made up for with the underdrives.
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I am glad not to be the only one that has learned this. even the air is a sucker/efficent kill on electric fans..the very air its digging at...

FYI I have a clutch fan on a 90hp engine..miraculous ever since.

Do you use full fan shroud?
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