How much psi should I inflate my tires?
In this regard, should I inflate my tires to the max psi?
And for most cars, that pressure is between 28 and 35 psi. RAY: Under no circumstances should you inflate your tires to maximum pressure. Not only will you risk a blowout, but you'll diminish your ability to control the car because your handling and braking will be much, much worse.
People also ask, is 40 psi good tire pressure?
While a 32 psi to 40 psi tire pressure is recommended for most passenger and sports cars, check your vehicle's manual for more specific instructions. Also, the recommended tire pressure is set with cold tires, so be sure to check them before or right when you start the engine, not during or after a long ride.
You should be OK with 39 psi in PA (its not like you'll be driving there at sustained speeds of 90 mph in 100+ degree temps!) It will give you a harder ride, but fuel economy and tire wear will improve slightly. Check the wear regularly.