Clearance has its off side also. The more clearance, the higher the center of gravity. As there is not all that much wheel travel on front and rear, so it is not hard to three wheel these in off road conditions. From three wheels to two wheels and then Belly Up or Laying it on the side can be a blink in time. What you plan on doing with your Tracker may change the best way to get it setting on 33's, or whether/when to go to 33's.
As you can see, ZW members like to help get Zukers solve their issues. Just lifting your Tracker is like just buying beer, it comes in lots of flavors and some are not palatable to you. Where do you plan on running your Tracker? Rocks, mud, hills, sand, back roads, malls, DD? There is a difference in how it needs to perform.