truck is an 87 1/2 ton swb. right now only one wheel turns. im not sure if its an open rear or if the posi unit is not working. if it is an open rear end would i need to buy another rear end and put it in to get both wheels turning or can you make a open rear a posi by installing say an eaton posi unit? its just a 2 wheel drive daily driver, I just want to have a little better traction this winter. thanks for the help guys
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87 1/2 ton getting posi traction/limited slip questions
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