Wendig - I found the problem with lifting is when you start you're always gonna want to go higher. If you're even thinking about a 6" I say go with that because if you don't they'll come a time you'll regret only going with the 4" lift. I thought about leaving my leveling kit on when I lifted, but thought, nah a 6" lift is plenty. I really wish I would have left it, added a 2" AAL in the rear and went with 36's.

 

I've got a 6" rough country. Basically there's a 4" lift and then a 5"-6" lift. My truck could of had 5" of lift but I went all the way, the 5" and 6" depends on adjustment. As far a 33's umm yeah it's better to go with the 4" cause if you go any higher with that size tire you'll have alot of wheel well showing. When I had my lift done I tried 33's but in my opinion the 35s looked better granted my truck was 2" higher. As far as the money goes there's not much of a price difference between a 4" or 6" there both expensive. Now there's only 2 inches between a 33 and a 35 inch tire that's not gonna save a lot on gas even the price difference between tires isn't that much. Once you lift it the gas mileage is going to go to sh*t anyways just cause of the weight. Also another thing, steering stabilizers. Put those on when you get the lift done cause your gonna need em anyways. Hope this helped a little.

 

Do you have a locker or just a limited slip?

If I do lift my truck would I have to change the gearing for it to compensate for the larger tires? I'd be going from 235/75/15 to 33-35" tires...

 

Yes. Go with 4.56's.

 

What did you pay for the Yukon 4.56 Gears? and what did it cost to install?

 

Paid a little over $700 for everything. Remember though I'm in Hawaii where everything is super expensive so you should be able to get for cheaper back in CONUS. One thing I'd also recommend is if you plan on doing any mudding or playing in the sand, get a locker installed at the same time, wish I had done it.