I've seen the carnage photos on Moparts. I'm right at the edge of that power level, but not running sticky tires on the street. Upgrading the axles over the winter to minimize the possibility of the axle letting go; which seems to be the root cause of sprag failures. I've seen it recommended on Moparts to upgrade to an aftermarket drum in the trans as well. My only concern about running a blanket on the street would be making the trans toasty. Don't have any real world data to back that up though.