sorry for bad alt text, I lack the terminology to describe this accurately
(i'm not a mechanic, i have no earthly idea if this is accurate. Don't sue me)
this post was submitted on 18 Mar 2025
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On a race car, some (not an absurd amount) of negative camber is needed because as the car leans into a corner, the outside tire gains camber. The car will have its best cornering performance when the outside tire is perfectly perpendicular to the road during a hard corner, because then the entire tire, not just the inside or outside edge, is gripping the road.
Here's a good example of what this looks like in practice: this car has about 4° of negative camber on the front wheels in order to achieve 0° in a hard corner.