Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Air Dam vs. Front Undertray- One negates the other?

moonmonkey · 02-17-2010, 12:45 AM

a smoother undertray will always help, some air will always get under ,and it might allow you to use a smaller air dam which is good because a dam increases frontal area,,, just my 3 cents.

02-17-2010, 12:45 AM	#2 (permalink)
moonmonkey ecomonkey Join Date: Dec 2009 Location: middleburg fl Posts: 240 silver clown - '02 toyota echo 2 door base 90 day: 47.16 mpg (US) white ghost - '05 prius base 90 day: 47.53 mpg (US) white pearl - '12 toyota prius base Last 3: 45.69 mpg (US) Thanks: 33 Thanked 30 Times in 21 Posts	a smoother undertray will always help, some air will always get under ,and it might allow you to use a smaller air dam which is good because a dam increases frontal area,,, just my 3 cents.