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so in conclusion (correct me if im wrong):
1. a larger rim + tire combo CAN be lighter if attention is paid, helping FE
2. larger rim is generally less aerodynamic and takes a wider tire, hurting FE
3. larger rim size means that more of the LRR tires will fit (possible negating the effect of #2?), helping FE
4. larger rim and OD reduces rpm's, helping FE
about a larger rim being less aerodynamic... would some of this be countered some if I installed dams in front of the wheels? Or would it have to be skirts...
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