Mileage Master 2000 Ford F350 Power Stroke Diesel
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The faring over the bed is made of the rubber used to put tread on stairs (with the ridges down). It's held together with fender rivets and stretched over a homemade skeleton made of plywood and 1-inch stock. The slope of the faring is 25 degrees, which is based on findings by NASA and NASCAR (yes, they sometimes work with each other). Aerodynamic tests have shown that a slope steeper than 27 degrees will cause the airflow to separate from the canopy and cause mpg-robbing drag. View Related Article
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Mercedes GL Research
Being one of the most popular cars in its class, the Mercedes GL offers good performance and quality. The V8 standard engine in the GL gives you 382 horsepower with an estimated 14 mpg. It also comes with comparable safety features. Other similar vehicles are the Volkswagen Touareg and the Jeep Grand Cherokee.
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