I guess I tend to be a Goodyear guy! I do know that when others had problems with the 16" tires a few years ago, they stood behind their tires and took care of rig damage as well.
Have you weighted your rig wheel by wheel? May not need to best, but I do like the knowledge that my tires can take care of the job.
Hopefully others who have gone the Sailun route will chime in. Big price difference. Would sure be nice to hear about performance. And if they take care of any body damage if the fault was their tire! Not saying GY would also, but pretty good track record on the 17.5s.
For reference, the speed sensor on top of the rearend can have a bad connection from a broken wire inside the harness to the sensor. It's plugged into the sensor, the movement of the rearend can flex enough to break a wire. Strip the outcover off the harness and pull on each wire and see if it's broken. The rearend can also have enough metal in the oil to contaminate the sensor tip. inside the tip is a magnet, it attracts any metal in the rear end oil. one bolt holds the sensor, I think it's a 10mm, take the sensor off and wipe it, if there is a buildup of metal fillings on it, change the rearend oil.
Chad, glad you're OK! I guess the comment about "watching your 6" really wouldn't have worked out for you then!
Like your attitude towards the woman. Stuff like that is what keeps you upright when necessary.