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Old 05-04-2015, 07:24 AM   #61 (permalink)
aardvarcus
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Join Date: Apr 2012
Location: Evensville, TN
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Deep Blue - '94 GMC Suburban K2500 SLE
90 day: 23.75 mpg (US)

Griffin (T4R) - '99 Toyota 4Runner SR5
90 day: 25.43 mpg (US)
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Freebeard,
Yeah I should have done something like that, I should have known "clear" wouldn't turn out as hoped. I still might mask over and paint the outside edges, not as good but it would be something.


I was examining the shell yesterday, and I think it is a touch too low. When you tighten down on the bolts holding the shell to the track, it compresses the weatherstripping and drops the whole shell down I am guessing around half an inch, which I had not accounted for since I was mocking it up without actually bolting it down. I think I will get some pipe insulation I have lying around and put it under there to try to get it more flush.

Anyway, I ran a full tank through the truck and filled up this morning and got right at 28 MPG (28.00168). Note this tank was far from ideal, just a routine tank. Looking back through my fuel log, I have to toss out my prior tank numbers because it was 93 octane 100% gas which throws the MPG way off (about 2MPG). Averaging the prior five tanks (random number, five sounded good) I drove 1617.304 miles using 60.528 gallons resulting in 26.720 MPG.

I consider these results just preliminary until I get a couple more to average out, but comparing the initial results, it shows about a 1.28 MPG increase, or 4.79% improvement. I don’t think that’s too shabby for a half shell, hopefully with a few tweaks it will get a bit better.

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