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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.
yup ya have to enlarge the inside of your tire all the way around by 1.5" with some tin snips, or better yet a oxy-acetelyn torch...remember measure twice, cut once...she'll fit like a glove!
Made same move and with the 3.55 gears, really did not notice the loss of acceleration. The speedometer is off about 5%, but I'm still covered by the 7/70 warranty, so I did not correct it and look at it as a bonus.