[iadom]

Originally Posted by homealone

Yes, during the race the tyres wear, resulting in rubber 'crumbs' gathering off the racing line. Now the car + driver must not be below a minimum weight, which may be checked at the end of the race.

One strategy is to deliberately drive through the rubber debris on the return to the pits after the race, as the tyres are still hot & sticky, they will pick up an amount of the waste rubber, making the car a little heavier, in case it gets weighed.

Shucks, and I thought it was a message from his lady friend.