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I don't think I'll be able to get the totally optimal shape under my limitations. I would have to go with a truncated tail for sure, as I saw on those NASA studies. I'd really prefer to get the cargo width wise, as I have almost no room to stand when it's packed length wise.
As for a quick and dirty front end mod to start, if I were to cut the sleeper down and continue the windshield angle up to the roof, then disable the front doors and eliminate the flat body extensions by adding a sheet metal/lexan shell from the front of the van to the edge of the side walls extension. That would also add a cover to the front wheel wells... I'd also add an air dam, and try to improve the underside flow as much as possible. Duct tape coroplast? Right on!
I'll post a pict of the camper in a bit to get an idea of what I'm talking about.
I guess the main question I have is whether I will see any reasonable gains using this carb'd 360. I know it's a brick now, but if I improved the front aero and added a boat tail, could I even see significant gains over the course of a tour? I am very conservative while driving, try to accellerate at a slow rate, and coast as much as possible, and try not to brake unless needed.
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