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Old 04-06-2016, 04:54 AM   #4 (permalink)
redpoint5
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Join Date: Aug 2010
Location: Oregon
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Acura TSX - '06 Acura TSX
90 day: 24.19 mpg (US)

Lafawnda - CBR600 - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - Dodge/Cummins - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Chevy ZR-2 - '03 Chevrolet S10 ZR2
90 day: 17.14 mpg (US)

Model Y - '24 Tesla Y LR AWD

Pacifica Hybrid - '21 Chrysler Pacifica Hybrid
90 day: 57.45 mpg (US)
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I've never understood the purpose of downforce for 1/4 mile runs. The moment when tires are most likely to spin is from a dead stop when there is zero downforce. By the time the vehicle has enough speed to produce downforce, isn't there enough traction?

That said, fuel economy and downforce are at odds. The ideal shape for fuel efficiency on a vehicle represents an airplane wing, which actually produces lift.
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