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3.31

  1. 2012 V6 Mustang with 3.31 rear end grinding noise

    2011-2014 Mustang Talk
    I have a 2012 V6 premium with performance package giving it the 3.31 rear end. The rear end is making a hellacious grinding noise after about an hour at highway speed. Took it to dealer and they said it is due to lack of friction additive. That was added and after another drive, alas the noise...
  2. 2012 Mustang V6 Auto w/3.31

    Introductions
    Hi everybody! Got my 2012 V6 Auto Sterling Grey Premium in time for January in NC, and after 2k miles it got to make the trip up to NJ. Yeah I know why would I do that to a new Mustang. Long story... Well it was a great ride on 95 on a Sunday:yup: It was a real help reading the posts that...
  3. 2011 Mustang GT 3.31 to 3.73 OR SCT/DiabloSports chip?

    2011 - 2014 Mustang GT Tech
    Hello: I apologize in advance if this has already been answered - Unfortunately what I got sold was not the vehicle I was under the impression of buying. I was being explained the benefits of 3.31 vs 3.73 by my salesman and I should have checked the sticker before trusting him. Of course...
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