k...got an 85 w/an 85rear diff...has a detroit locker & 5:29r/p...i read dat an 86 rear diff housing is stronger cuz its running 4pinions vs 2pinions dat i got in my 85 diff... can da guts from my 85 go in2 da 86 diff..? or am i gonna hafta get annudah diff & gears..? jus curious...