I never ran the car with just the Kammback.*Here are some of the numbers on our aero additions. I did the front air dam first about 18 months ago*and it was worth about 3 mpg. In September of 2013 we put the red vx in the shop and added the belly pan, rear diffuser,*side skirts, rear wheel covers, and the complete Kammback and "boxed" rear end. Needless to say this was a lot of work, but once I committed to go "Basjoos" I just added all I could think of that might improve MPG.*The car was put back on the road April 5th of this year and as of today I have driven 2,212 miles and used 30.969 gallons of gas for a total MPG of 71.426. *Based on*MPG this time last year on this same car I have picked up 5-6 MPG.
I plan on starting a gas log here on Ecomodder and hope to improve these numbers as the weather heats up this summer.
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