To be fair, I've upgraded my 47RE transmission with an aftermarket torque converter and valve body, but all the clutch packs and everything else are still stock. This is unnecessary of course if equipped with the manual transmission. I've had a few first gen 12 valves which are great engines but the trucks leave a bit to be desired, and also a 2012 with the 6.7 Cummins, but the 2nd gen 1997 is the best ever made, in my humble opinion. Those 2nd gen 24 valves aren't bad either, but I'm not a fan of the VP44 injection pump. I just wanted the OP to know that there is an option out there if someone wants a bullet proof truck to haul a camper.