What's the hurry? BTW most ST tires have a max speed rating of 65mph, exceeding that is asking for trouble. I like to keep my speed to 55-60mph (or less). There is no shame in letting traffic pass you up. I've caught myself going 70 and then I say "whoa" slow it down. 70mph isn't going to get to you destination faster if you are sitting on the side of the road with a blowout. Speed and improper inflation is the biggest cause of blowouts.
2014 Palomino Puma 25RS
2011 F-150 Super Crew XLT
Days camped in 2014 - 23 Camped 2015 - 47
Camped 2016 - 71, 2017 3 done - 28 nights booked - 7 more planned