Hey im looking for a little imfo on gears and lockers i have a 87 4x4 x-cab pickup auto with a 22re i recently put on 31 10.5 15 on and im looking to find out what size gears i should run and how hard they are to put in and do i need to do both the front and back at the same time and is there anything i need to know if i want to put in a locker later well any info would be great trucks kinda a side project right now dont have a ton of money or time for it so im looking for some good upgrades that are worth the money thanks RON