so i have a 94 4runner and want to have the best of both worlds (daily driver and respectable offroad). i am curious as to what kind of diff upgrdes i can do aside from locker or wielding the diff. would gear oil make a difference or anything simple? if not what are some reliable lockers at reasonable price. dont know much with yotas yet this my second yota and havemt done much with upgrading other than suspention any info would be very greatfull