The one number you can never find, the actual coefficient of friction on any given set of tires! It's a mystery. Back in the 80's in the Indy/Cart series, there were actually 3 spec tires. The manufacturers used to pick the rubber tread goop off of their tires and send it back to Akron for analysis. They didn't know which samples were which, but they knew which ones weren't theirs.
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Current Mods: Vorpal Weapon +5.
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