I own a 93 w250 4x4 cummins that I have been very happy with over the years . My son wants to buy my truck so I have been looking at the 05's. I like to off road in baja and western united states and would like to run the 315's on stock rims. Iwas wondering if the tires will make the gearing to tall with the 3. 73's ,or if I should go for the 4. 10's. If you do the math the 315 /4. 10 combo is pretty darn close to stock gearing which is what Iwould like for all around towing and milage. Does anybody have any input or expieriences out there?