Quote:
Originally Posted by mpg_numbers_guy
The air dam was among my top three mods for fuel economy, along with increased tire pressure and HX wheel swap.
It would be fairly safe to say that an airdam would improve the fuel economy of an average vehicle by 2%-6%. Results will vary from vehicle to vehicle. Generally speaking, the smoother the underbody of a car is, the smaller the effect from an air dam. If your underbody is completely smooth, an air dam may actually hurt your fuel economy.
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If I could get a 6% improvement I’d be very happy.
The underneath of my Rondo is an aerodynamic nightmare IMO.
I will do the lawn edging mod once I set my Scangauge to set an accurate baseline.😉👍
Just need to figure out how to fasten the side skirts....was actually thinking of using the industrial strength Velcro