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Old 06-19-2008, 11:39 PM   #6 (permalink)
Old Retired R&D Dude
Join Date: May 2008
Location: Woburn Mass USA
Posts: 701

Little Red - '12 Toyota Prius c 2 Two
90 day: 57.82 mpg (US)

"Whitey" Bulger - '14 Toyota RAV4 LE
Thanks: 10
Thanked 18 Times in 17 Posts
Originally Posted by Big Dave View Post
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.

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?


Current ride: 2014 RAV4 LE AWD (24 MPG)

Wife's Pizza Transporter
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