Originally Posted by
Sylvain
It is always better to balance tires. It helps to reduce vibration and this means less stress on suspension, steering components and bearings.
BUT 1 thing a lot of guys forget is, Run the tires for a quali or practice session, THEN balance. New tires need time for the foams to "seat" and balancing a Brand new set of tires out of the package can lead to incorrect placement of the putty/tape.