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Old 02-13-2018, 12:03 PM   #63 (permalink)
mannydantyla
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Join Date: Jan 2018
Location: Lawrence, Kansas
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Aerokee - '97 Jeep Cherokee XJ sport
90 day: 14.81 mpg (US)

Hank - '83 Chevy K10 Scottsdale 4x4 pickup
90 day: 14 mpg (US)

Scrambler - '74 Honda CL200 Motorcycle
90 day: 55 mpg (US)
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I tested the open-ended kammback. I saw a 1 MPG increase from 19.6mpg to 20.6mpg and that's good for about 5% better.

I wrote big thread on it hear: Testing shows possible 5% increase in FE with a open-ended kammback on SUV





5%/1mpg was actually more then I thought it would be so I'm pretty sure I'm going to do this - at the very least make a less permanent one that can be attached before my road trips and then removed when done. We'll see.
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