I need some knowledgeable opinions.

I have P225-70 R14 BF Goodrich TA radials on my 67 GTX that are at least 12 years old (code 11002). Here in Phoenix Arizona the mainstream tire companies will not touch them except to remove and replace them after 10 years I assume do to liability issues.

The tires show no sign of checking or dry rot. The car has been garaged (unheated or cooled) for the entire time. I drive it about 20 miles each way about every 3 weeks to the car show at 70-75 MPH on the freeway.

I know that the conservative default would be to replace them due to their age, but they still look really good so I am asking some opinions from folks more knowledgeable on the subject than I am.

Thoughts please