Well, it is funny you mentioned rain. No joke, 30 miles from my mom's house it started raining. There were still 190 miles remaining on the trip. Fortunitly it was light enough it never really got the chance to soak in. The boat tail was horribly ugly and it was nowhere near optimal.. but it made a noticeable diffrence without a doubt. Without good ABA testing i would say easy +6%
I think a tail may be my next modding project. ...
The way down to brownwood I averaged 67.2 mpg on the FCD. On the way back to lubbock the average was 71.3. However, I will note that on the last leg of the trip ( a 118 mile north stent) I had sustained head winds over 20 knots. Prior to the turn north I was averaging 76 mpg.
The over all speeds varied from 40 to 75 mph.. but the time was within 10 min of each other on both directions. (240 miles each way)
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