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Old 09-11-2012, 12:43 PM
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You might consider buying a complete 12 bolt to swap in.There are companies that sell complete units with w/e gear set you want.If not cheaper its certainly faster.The monte carlo my friend Mike had came with 2.73 gears. We used that rear end until we put a bigger cam in the engine then bought a complete diff. A posi is essential or you will spit spider gears and burn 1 tire out regularly.The car cannot use a 3k stall converter with out a posi,,,
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