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      05-05-2023, 03:52 PM   #8
G30M
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Drives: BMW M550i; Kia EV6 GT
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Quote:
Originally Posted by tranquility View Post
Not talking about tires, I guess it's gonna be Michelin PSS or whatever latest they have, but wheel size, tire size, spacers (or are they only for looks?). Is there a general formula or does it differ from car to car?
the formula is optimizing tire contact patch for the weight of the car. that is generally the width of the tire.

best overall performance is around the 40 aspect ratio (35-45 range depending on exact tire size).

you don't see race cars with skinny tires and giant bling wheels.