post your 67-72 4x4

[Roadkillerv8]

Hey fellas, i know this isnt a help thread but i was hoping to get some help since its a 4x4 one. My '72 3/4 does great in 4 wheel and even does really well in two wheel off road, however i noticed that when i was trying to do some doughnuts in the dirt the truck wouldnt whip around it would just kinda turn... I believe i had the front hubs still locked however it was in 2 wheel drive. Ive also witnessed only one rear tire on that truck spin before when the hubs were locked and id gas it in the dirt but when i unlocked them they both spun again... Just wondering why this happens and if i need the rear end serviced or rebuilt or if its normal. Thanks for any help.
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