Regear with Tommmudd econo lift?

[allterrainkj]

Do you have to? If not, how high before you need to?

 

[tjkj2002]

Tire size dictates that.You will feel power loss and mpg loss with 245/75's(31" tires) and that size is best with 4.10's.Going bigger you will need to re-gear unless you like no power,bad mpg's,and burning up the trans.