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bondo · 01-21-2008, 05:02 PM

It is on page 148, table 11., where Capt. Williams records his real world road tests with the air dam alone showing an increase in fuel efficiency of 7.27%. With the addition of the aerodynamic bed cap, the fuel efficiency increase to 21.23%.

In over ten months of real world road testing of the aero cap as the only modification on my truck, a better than 20% increase in fuel efficiency has been realized at speeds over 60 miles per hour.

I am going to have to build me an air dam this spring too!

01-21-2008, 05:02 PM	#16 (permalink)
bondo Master EcoModder Join Date: Jan 2008 Location: Arkansas Posts: 279 Thanks: 90 Thanked 240 Times in 90 Posts	It is on page 148, table 11., where Capt. Williams records his real world road tests with the air dam alone showing an increase in fuel efficiency of 7.27%. With the addition of the aerodynamic bed cap, the fuel efficiency increase to 21.23%. In over ten months of real world road testing of the aero cap as the only modification on my truck, a better than 20% increase in fuel efficiency has been realized at speeds over 60 miles per hour. I am going to have to build me an air dam this spring too! Last edited by bondo; 01-21-2008 at 05:08 PM..