[aerohead]

It's likely that the car was already optimized with respect to body inclination.Something very easy and inexpensive during product development.
And past messengers have reported that small changes in a bodies 'rake' can significantly affect drag.
If SAE papers were available for the Ford Probe-IV and V,they would be valuable,as both cars had active suspension.
The IV lowered its nose,deployed an active airdam,while raising its tail to achieve the lowest Cd.
You'd need careful measurements to 'know' what you'd done.
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The Spirit of Ecomodder.com is a skosh low in the nose (from undersized tires) and a skosh high in the tail (from oversized tires).
I have no idea what the impact to the drag resulted from the changes.It was beyond the scope off my project.