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Big Dave · 01-03-2009, 03:02 PM

My jerry-built fastback fairing, even thogh it is too steep (17 degrees) improved my MPG by 1.5 MPG over a flat tonneau. They do work.

If you haven't the time or skills to make an aerocap, flat tonneaus (hard or soft) are available off the shelf. In fact if you have a Ford Super Duty short bed, I'll sell you one cheap.

01-03-2009, 03:02 PM	#3 (permalink)
Big Dave Master EcoModder Join Date: Jan 2008 Location: Steppes of Central Indiana Posts: 1,319 The Red Baron - '00 Ford F-350 XLT 90 day: 27.99 mpg (US) Impala Phase Zero - '96 Chevrolet Impala SS 90 day: 21.03 mpg (US) Thanks: 0 Thanked 186 Times in 127 Posts	My jerry-built fastback fairing, even thogh it is too steep (17 degrees) improved my MPG by 1.5 MPG over a flat tonneau. They do work. If you haven't the time or skills to make an aerocap, flat tonneaus (hard or soft) are available off the shelf. In fact if you have a Ford Super Duty short bed, I'll sell you one cheap. __________________ 2000 Ford F-350 SC 4x2 6 Speed Manual 4" Slam 3.08:1 gears and Gear Vendor Overdrive Rubber Conveyor Belt Air Dam