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rrhatbruce,nice work! She's a beaut.With respect to "angles" you might want to check out the "aerodynamic streamlining template".You can see it being used at MetroMPG's "permanent Kammback for the Metro" thread.------- It's really more about degree of curvature which will sustain the final exit angles.Your Tacoma's bed is so short,it may not be able to support such a "steep" angle at the back as 16-degrees,and you may have separated flow,which will frustrate your mpg improvement.
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