Welcome aboard. I went through the same thing, bought truck new, never hard on clutch, paused after letting clutch out before powering up again. Many people say 50K, I said BS, I'm gentle on a clutch, should get 100K, well, about 51K, no load, accelerating modestly, turbo spools up, engine flares up and I'm in 3rd gear, so wasn't surprised, just surprised it was 50K.
OK, I too, did the South Bend. I got the G56-OK-HD, good for 425HP and 900 ft lbs. I am stock, do have the MADS smarty tuner and added economy tune before new clutch and it had so much more snort, went back to stock for fear of killing clutch earlier.
Now that my new clutch is in, I can probably upload it, but haven't yet.
OK, a heads up, doing it yourself? Stock it came with Mopar ATF+4, use what Mercedes uses in it, I swapped mine over before the clutch upgrade to 75W90 GL4 full synthetic transmission oil (not GL5 gear oil), do the same for your T case too. In fact, I would recommend overfilling it a bit. Its going to be noisy with the absence of the dual mass flywheel which is garbage. Gear oil and a bit overfilled will help. Best place is buy it by the gallon jugs for about $70 from ama-zon. Tranny will hold 6 qts, get a 14mm allen wrench for fill and drain plugs. T case be different. Take console out, remove shift boot that sc rews to floor, but DO NOT remove orange shift boot from shift tower, you have no reason and if you take it off, you will cuss getting it back on and maybe tear it. A small pinhole, it will leak oil, unbolt shifter, then take shifter cover off. You can take it out with cover on, but may have to take it off for install.
The dual mass flywheel comes out like an automatic, trap door on side of engine, pass side, remove the 6 or 8 bolts, then it will drop straight down. When you put in the new flywheel, it will be like any conventional clutch except the dual disc. I wanted to avoid dual disc for the noise.
The wires attached to the cross member, make sure they are well secured, if they blow around in the wind, the wires will break and no 4WD etc later.
Oil to use:
https://m.media-amazon.com/images/W/...AC_SL1000_.jpg
And use these wire ties if yours self destruct. These are super nice to have, nice securing any wiring on anything your doing. Almost identical to factory wire ties.
These are the shizzle
https://m.media-amazon.com/images/W/...AC_SL1500_.jpg
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