I would run the max pressure listed on the tire when cold up scope
I ran a set of 165x15R on my old pump gas Duster that weighed 3450 lbs. with me in it with a full stock tank of fuel, it had 50.25 % weight on the front tires. It would run 134.+ MPH in the 1/4 mile at 10.00 boogie

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)