Do i need gears?

[BlueStreak94]

I've got an automatic 94' XLT with a 4" suspension lift and i'm running 31/10.50/15 toyo open countrys. i want to run a bigger tire but i dont know if i should run different gearing from stock. i was thinkin of some 33's or 35's. thanks

 

[HahnsB2]

4.56 for 33s, 4.88 for 35s.

 

[BlueStreak94]

thanks. hahnsB2...know of any place i could find cheap gears around vancouver/portland?