Help!!!!!

I have a '97 tacoma w/ a 6" lift and 33s. Currently im running a 4.56 gear ratio, but it gives me some trouble. I do most my driving on the highway, so would a 4.88 ratio be better??

I have a '97 tacoma w/ a 6" lift and 33s. Currently im running a 4.56 gear ratio, but it gives me some trouble. I do most my driving on the highway, so would a 4.88 ratio be better??

what engine to you have? auto or 5 speed? what are your rpm's at 55 MPH? red