Quote:
Originally Posted by Big Dave
Well, I finally got my air dam testing done. Six fill-ups over 2200 miles. thrre with air dam vs three without air dam.
Without air dam: 26.34 MPG
With air dam: 27.00 MPG
That equates to $1.72 less per fillup at local prices.
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I searched around until I found a picture of your airdam..
I'm pretty sure that I've never seen one with that kind of frontal coverage.
I don't know very much about aero mods, but looking at that airdam,
I would have guessed that it would have been more effective.
A gain of 0.66 MPG is ok, but it just seems logical that it would have been greater.
So, I have to ask.. How draggy does your stock underbody look?
Thanks,
Rich