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Old 04-01-2022, 03:50 PM   #27 (permalink)
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It comes down to how the bellypan and difusser transition into the boxed cavity.

I saw this at Bonneville Salt Flats:

I could've got a better angle but I never saw it again. The skegs flare out from inside the tire to flush with the outer face. I think this would keep the turbulence in the wheelwell from migrating into the underbody flow, and provide fencing to the difusser.

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