Wheels & Tires - question about tires

i have a firebird with stock 16 tires its been sitting on them for about 1yr not moved do i have to get them replaced or will they be ok for a while they still have good thread n one kept going down so i would put air on it every once in while

Check to see if there is any cracking on the sidewalls or tread. But you should be fine.

the only common issue is flat spots in your tires. If the tires sat low on pressure for an extended time