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rear differential

  1. GimpyHSHS

    T2 vs T2R vs TrueTrac vs Wavetrac vs My Sanity

    Hi folks. As you may have noticed from the title, I'm looking at differentials. I currently have an Auburn unit back there. Has to be 20 years old or so. I had one event last year where it looked like it was spinning only one wheel (I've kept an eye on it since then and never seen it again). I...
  2. Mlehnert623

    Rearend ratio upgrade???

    Hi all!I have a 2008 Roush 427R, supercharged 4.6, with 3.55's in the rear. Unfortunately, I have recently discovered that both my rear axles are bent and need to be replaced. Since the dealership will have the rear diff open, do you think its work upgrading from a 3.55s to a 3.73s?My...