I noticed this is your first post, so let me welcome you aboard the ForumZ. Now, about your questions:
I have an 08' 2500 6.7l Cummins. I haven't made 70,000 yet (sitting at 26,xxx). I haven't had any A/C problems. U Joints might be an issue for me, but my lift wasn't done the best and most professional of ways, thus putting pressure on my driveshaft and ujoints. This is my first 2500 6.7, so I can't confirm or deny any of the other issues like the ones you've mentioned. As far as it being a long bed, the only thing I have noticed in ANY 8"+ bed is that it has a tendency to bounce. Things may have changed as the last time I drove one was in 06 or 07. I hope this helped at least a little. Best of luck, stick around and someone will chime in with more advice and keep us posted! Thanks.
Good questions, and while I have not had a 2500.....yet, lol, I'm sure you'll get plenty of advice from others here, but wanted to welcome you to the forum and good luck on finding your truck!
CajunDodge - 2008 Dodge RAM 1500 ST SWB, Bright Silver Metallic, Magnum V-6
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