98XJ, 5.3/4l65e, 6.5", long arm (radius), 63" rear leaf, 1 ton x-over, WJ knuckles, 1.5" ram, 35x10.5 KM2 .
Been chasing this left pull for goddamn years now. It's survived several complete rebuilds, but I think I may be honing in on it now.
I used to think it was just a little bit of torque...