1997-2006 Expedition & Navigator 1997 - 2002 and 2003 - 2006 Ford Expedition and Lincoln Navigator Discussion

"Tornado" type devices

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  #16  
Old 08-19-2005, 12:48 PM
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JayS
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Popular Mechanics tested a bunch of "fuel savers" this month, including the Tornado. None of them worked, a couple caused less horse power, one was so poorly made they didn't even install it because little parts would have been sucked into the engine, and one other caught on fire.

Moral of the story, if there were something for less than $100 that could make a real difference in MPG, it would come with the car.
 
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Old 08-19-2005, 01:12 PM
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Originally Posted by JayS
Popular Mechanics tested a bunch of "fuel savers" this month, including the Tornado. None of them worked, a couple caused less horse power, one was so poorly made they didn't even install it because little parts would have been sucked into the engine, and one other caught on fire.

Moral of the story, if there were something for less than $100 that could make a real difference in MPG, it would come with the car.
Did they test K&N air filters??????
 
  #18  
Old 08-21-2005, 10:42 AM
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On one of the Nissan boards I visit someone said this.

Popular Mechanics recently tested these types of devices. The Tornado and the Intake twister Both reduced Peak Horsepower by more than 10%.

The Intake twister INCREASED fuel consumption by about 20%, where as the tornado had no Impact.
Looked on PM.com and couldn't find the article so not saying its 100% accurate, but sounds plausible.

BD
 
  #19  
Old 08-23-2005, 08:28 AM
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Dyno before and after. Its a 5.4L
 
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