The key factor with Caltracs is the ability to adjust preload/anti Squat and get the bars "out of the way" if needed. This was the key factor 10-12+ yrs ago when we had them develop the GM 2500 HD application for Brandon's truck.

Another less popular method is a single link running parallel to the driveshaft connecting the top of the rear diff center section to a point on a frame crossmember. This would prevent/minimize axle wrap while having minimal impact on ride/squat.