Quote:
Originally Posted by Ant_ss
Sure 19" wheels can be lighter than 20" wheels (depending on certain factors, not indefinitely) but do you have any real evidence of any performance advantages of 19" wheels compared to 20" wheels on a 5th gen camaro? Is that a fact or just rational thinking?
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Its physics. For wheels that are otherwise identical, a smaller diameter wheel will weigh less (which improves handling) & has less rotating inertia (which is beneficial for acceleration & braking).
How
much does it help? That depends how much smaller & lighter you go, as well as whether or not the same tire diameter is kept. But smaller wheels helping performance? Thats pretty much a given.