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I am somewhat surprised that the Versa continues to get decent gas mileage, about 40mpg average. In the past few weeks, I have not been hypermiling at all, and have been driving as fast as I can on some long highway trips (75 to 80 mph). The current mods are grill blocks, foglight blocks and 5W20 synthetic oil.
I do coast down to stops which is a hypermiling technique. I guess it would be fair to say that I am doing some hypermiling but nothing like the aggressive EOC that I did to get the high mileage numbers with the tail. Using the Scangauge taught me quite a bit, so even my normal driving is now hypermiling compared to the average person.
Now that I have typed this, I am sure my next tank will be a disaster.
I'm not sure what the next mods will be. I think I would like to remove all blocks and get good baseline performance numbers on a stock vehicle. I'm not sure I want to put the $$$ into a new tail but maybe I will try an air dam in front and see what that does. Then some rear wheel covers and a catamaran and rear wingtip behind the rear wheels.
I probably will leave the valence uncovered. While stuck in a line of cars, my temps got up to 207F momentarily with the full valence open. I don't think I want to push it in the summer time by reducing the valence opening. While driving, the temps usually stay down around 185 to 190F. So its grill blocks and foglight blocks and thats it for now. I think this configuration provides reliable cooling for just about any weather and driving conditions.
As far as my comments about Versa handling in crosswinds at high speeds, I found that with a passenger in the front seat, it handles much better. I was running with no passenger seat and a hundred pounds or so of gear in the trunk, so I probably caused the problem by poor loading practices. I probably should not collect rocks and small boulders while traveling.
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