Don't know what I'm doing

I really don't have alot of knowledge on DOT drag tires but I have drag raced for alot of years. On my 67 SG Barracuda I ran 16x33 slicks @ 8-9 psi. it would 60' 1.25-1.27. I would like to see what a pair of 26-28x9 slicks would do on your car.