Just bought everything for 3.73 gears

I just went from 3.23's to 3.91's. Tire is 25.4 tall size 235/40R18
Was running right at 3K with the 3.23's at 70 mph now at 3600k at 70 mph
Lots of fun light to light but pretty much stuck at 60-65 mph on the freeway
Going to run it for a while but thinking I will end up back to the 3.23's or 3.55's