trutrac

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    3.92 Detroit trutrac LSD

    Thinking about having one installed in my 2010 “5” speed. Most of my driving is in town with hills and I’m geared high now but not sure what ratio. 3.23 maybe? Hit ~55mph before shifting out of first WOT. Anyone made this change and have any regrets about it??? How’s mileage changed? Also...

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