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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
i had 3.55s in my 4.7 and went to 4.56s. as previously stated total game changer. bigger tires almost required it. i did the gears and a efan and im almost at 15mpg around town in qc 4.7 on 35s!