I can't recommend enough the 2.5L swap. Nearly every problem the catastrophic 2.3 engine had was solved with the 2.5L I currently own a 2010 3s with the 2.5L engine and it has 212k miles and runs like the day it rolled off the assembly line and it still kills new vehicles in little street races runs from light to light. All the oiling problems are gone as the oil system was redesigned and has many oil jets on the piston skirts as well as better oiling to main bearings. You can't kill this engine as I beat on mine like I stole it every time I drive and she just begs for more.
I Think ZOOM-ZOOM Means FLOOR IT!