Bumbles nailed it. Have your tires re-inflated with nitrogen. It's an inert gas which has the following qualities: Molecules are much larger than compressed air. Nitrogen has no water. Heat cycles are less responsive to tire heat cycling. Inner and outer tire life is increased 15 - 20%. Bumbles thoughts on added pressure will dramatically improve handling. Front tires will be less apt to roll under during turns, improving under-steer. Most new tires today have a 45 psi. limit posted on the tire. Do not let the tire dealers, new car dealers or independent shop proprietors tell you not to do this as it's perfectly safe.
