Yeah that makes sense Mercury. I know how the black vinyl seats go, along with no a/c. But I hate a/c on old muscle cars. My 351 runs pretty hot too, so a big long trip would not be good on her. That's what the car trailer and the Jeep are for!
I have a solution for you. Put a hitch on your GT and pull the 64 1/2 on a car trailier!

Just joking!