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Old 07-07-2008, 09:55 PM   #18 (permalink)
whokilledthejams
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Join Date: May 2008
Location: Fredonia, NY
Posts: 322

Boxy Brown - '04 Scion xB
90 day: 35.48 mpg (US)
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Another update:

My coroplast construction didn't give me huge gains, but at least a solid 1-2mpg. No hypermiling in particular, just conservative driving (the tank this weekend was almost all highways/open country roads). 33.4mpg! Actually, that's pretty good, as I usually top out around 32mpg on highway trips. My butt-dyno also tells me that I'm coasting slightly better, too.

On the downside, the fender well/front wheel deflectors didn't fare well. The left one rubbed through against the tire at some point, and I lost the right one about 60 miles into my trip. I have a bit of coroplast left over, so I can shore it up, and hopefully make it last a while.
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