Shape does matter. Look at the significant narrowing between station F and H on this drawing of the T-38/F-5
https://aerofred.com/details.php?ima...7bdu5srop13943
That was done due to the complex interaction of the wing to body airflow at supersonic speeds.
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2007 Dodge Ram 3500 SRW 4x4 with 6MT
2003 TDI Beetle
2002 TDI Beetle
currently parked - 1996 Dodge 2500 Cummins Turbodiesel
Custom cab, auto, 3.55 gears
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