Quote:
Originally Posted by Sean T.
I am wondering if the uneven windows and rubber seals on my car reduce my aerodynamics?
...
put clear tape over the door handles
...
remove the ventvisors on the rear doors
...
piece of plexi over the window to make it flush?
I am only getting 20 mpg out of Ford's most aerodynamic sedan.
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I don't want to be a wet blanket here, as I think that all mods and ideas for improvements are worth trying, if for nothing else but the sake of learning what doesn't work, but if the best you can get out of a Taurus is 20mpg, there's either something seriously wrong with it (mechanically) or you need to work on modifying your driving style
first.
The types of modifications you're considering may give you an aerodynamic gain, but at your current "efficiency" level, you'd never know. Those sorts of mods will give you low single-digit percentage point improvements (at best), which would most likely be lost within the clutter of your margin of error. You don't want a 1% or 2% improvement in your mileage. You want a 50% improvement. You're not going to get there with tiny aero mods, you're going to get there with
big driving style mods.