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3.55

  1. Performance Discussion/Modifications
    Hey all, new to the forums. I’m looking at changing out the differential on my 15 R/T road and track. I was initially looking to do the 3.70 (or 3.73 not sure what) but I had found that these could be a little too much for a daily driver use. I recently had seen r/t life mention 3.55 gearing and...
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