Seems normal, I run Nitto's 38" tires on mine, so I might be a bit off, I do go to 70 at 3400 for a short time, but mostly 65 at around 3200
6.2L with the 3 speed
Max Engine Speed:
3,600 rpm (4,000 w/ no load)
Peak Horsepower:
• 130 HP @ 3,600 rpm (introductory) • 160 HP @ 3,600 rpm (peak)