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Old 06-20-2021, 04:44 PM   #1
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Air Foil

Just askin if anyone has had expenice with the air voil that goes on the cab ???

Was wonding because I have axcest to one and thinkin about installin it .

The word on the internet is that I will save about ONE pint every 1000 miles so that right there got to be worth it!!!!

well I am just askin for the professional opinion as there should be plenty available here , after all I am on the net.
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Old 06-21-2021, 04:26 AM   #2
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A little difficult to be certain of exactly what you’re thinking about installing, but if your fuel savings estimate is correct, you’ll save about $1.20 every time you cross the country. So it might take a while to pay for itself.
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Old 06-21-2021, 08:32 AM   #3
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I'm going back to 2012 with this information but it still should be accurate. There was a camper who was selling his so I thought about maybe installing it on my then 2012 F350 (pulling a Montana fiver). He kept great fuel records and it did save him while towing but if I recall it was slight, like 2% or less. What he figured was it actually cost him a slight amount of fuel when not towing, which was the majority of his miles.

Back then I figured I could lower my towing speed 5mph and save a lot more than mounting that equipment.
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Old 06-22-2021, 12:17 PM   #4
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Air Voil

I just happen to have access to one so was curious to see if anyone was using them..

And of course I had to be funny with the savings...

Thanks for the replys
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Old 06-28-2021, 06:41 PM   #5
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i think you'll save more fuel keeping it at 60 or below.
from some research ive seen with trucks pulling trailers you can save .4 mpg driving at 58 mph vs 65 mph and a savings of 1.9 mpg from 70 mph to 58 mph.
i am sure it varies from rig to rig but you get the picture. speed is where you save fuel
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Old 07-08-2021, 09:41 AM   #6
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Quote:
Originally Posted by tileguy View Post
i think you'll save more fuel keeping it at 60 or below.
from some research ive seen with trucks pulling trailers you can save .4 mpg driving at 58 mph vs 65 mph and a savings of 1.9 mpg from 70 mph to 58 mph.
i am sure it varies from rig to rig but you get the picture. speed is where you save fuel

Vehicles are still made to get the best mileage at 55-60 mph. This goes back to the 70's era when gas prices were relatively high and cars were bigger.
I have found that towing above 60, results in 1 3-4 mpg decrease in mileage on my truck, pulling my 30 foot toy hauler.
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Old 07-29-2021, 09:31 AM   #7
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Opening up the air intake track has always improved my mpg by .1 to .4 depending on the vehicle. And improves acceleration. Fords are notorious for choked off intakes.
My new E350 has gone up .3
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