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H2 mileage improvement

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Old Aug 29, 2007 | 07:22 PM
  #1  
ghilliegunh2's Avatar
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Default H2 mileage improvement

I replaced my stock engine driven fan with twin Flex a Lite fans. I can now get 15 - 17 mpg @ 70mph
 
Old Aug 29, 2007 | 07:24 PM
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Default RE: H2 mileage improvement

I changed out my stock fan fortwin Flex a Lite fans. I now get 15 - 17 mpg @ 70mph
 
Old Aug 30, 2007 | 02:51 AM
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Default RE: H2 mileage improvement

That's COOL!! How bout City Driving??
 
Old Sep 1, 2007 | 09:17 PM
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Default RE: H2 mileage improvement

How does changing the fan increase fuel mileage?
 
Old Sep 19, 2007 | 04:28 PM
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Still waiting for a reply
 
Old Sep 22, 2007 | 10:04 PM
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Default RE: H2 mileage improvement

replacing belt driven fans with electric units will free up some HP and improve mileage slightly just because there is less drag on the motor...BUT..not THAT MUCH!!!!
 
Old Sep 23, 2007 | 07:44 AM
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Default RE: H2 mileage improvement

I don't buy it...
 
Old Sep 23, 2007 | 09:04 AM
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Default RE: H2 mileage improvement

Best I've ever seen was 15 mpg. And that was on 95 between Fredricksburg and Rocky Mount, doing around 65-70 mph.

Although I think I had a good tailwind
 
Old Sep 23, 2007 | 03:39 PM
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Default RE: H2 mileage improvement

I dunno for the doubters..... they say that taking the fan off of a stock 2.3l Ranger frees up 12hp....
 
Old Sep 23, 2007 | 08:40 PM
  #10  
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Default RE: H2 mileage improvement

The gains on an H2 are about 15-18hp when going to electric fans. I am going to swap mine to the GM 2500HD pickup fan parts, use Nelson Performance wiring harness, Predator programmer with custom tune, and a manual override switch to turn them off when treading deep water. The Nelson harness supports a manul kill switch.
 



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