I have a 2" leveling kit with 35"x12.5"x16.5 and it looks good and drives great I drive CA-152 to work which is really windy and it corners pretty good still. I havn't been wheeling in this truck yet but I'm pretty sure the tires will rub a bit. I'm not sure if you going to be wheeling in your $32-40,000 truck but if not the 35" are fine for the street and minor 4-wheeling. My friend runs this same set up and he hasn't had any problems, looks awesome. Not a huge truck, but a nice looking truck. You want to see a picture of mine e-mail me.
i think it has something to do with all the components and radiator location on the actual body, where in a gasser basically the only thing to worry about is the radiator.
maybe also just the size of the motor also.
on the diesels you have an intercooler for the turbo and i believe that is what preventst the body lift, although i believe that it can still be done. try looking around in this dodge section or on <!-- BBCode u1 Start -->http://dodgeram.org" TARGET="_blank<!-- BBCode u1 End -->. i remember seeing something about it somewhere.
i have the 2" daystars on my truck with 33's and havent had a bit of rubbing at all. and i do not baby this truck one bit! i will be going with another 6" courtesy of Dick Cepek. it clears 38.5's. they also have 3" or so.
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