I actually broke 1 rear axle shafts (at the splines) and a driveshaft (1310 that broke at the tcase side yoke) in that 9 month span or so that I ran the 40s on the d44s. I believe part of what made it last as long as it did was the fact I was still running 4.10s with a 3.8. When it got to into a...