The tires are only close when on the dyno. Ets's dyno is 8"'s above the floor so when you tye it down it pulls the car down lower. On my first shakedown passes we ran 1.4 60ft 6.1 @ 121 1/8th and 9.4 @ 151 mph with only 37 psi. I definitely need more seat time but I'm getting the hang of her.