Everyone has a different opinion about gears. It is just math and picking what you are comfortable with:
Assuming stock tire height-
4.10’s: Top of 4th, 1/4 mile max trap = 117mph; 70mph cruising in 5th = 2,300rpm
3.90’s: Top of 4th, 1/4 mile max trap = 123mph; 70mph cruising in 5th = 2,150rpm...