Dodge Challenger Forums - View Single Post - Differential swapping
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Old 03-08-2010, 11:47 AM
  #5  
Doozle
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Just curious but don't the new "drag pak" Challenger RT's come with 3.90 rear gearing? If so, wouldn't 3.90 be preferable to the 3.64's & 3.55's mentioned? Just R&R< right or is there a bit more involved in doing this swap?
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