Congrats on the new rubber Don.
I wouldn't get too fixated about doing the ladder without needing a winch.
One thing I have learned is not to push the vehicle too hard, or you start putting too much strain on parts tha......
I did the Ladder with Kelvin and Musti back in October, and the back diff hung up, had to winch about half a meter, the rest went without any issues, and the ute was stock back then. These new shoes lifted it by at least 2.5 inches. Seen by going in with the spare tyre chain dragging on the ground going in, and 2 inches off the ground coming out. I figure that should give me the diff clearance I need. But, I wont tackle it alone, just in case something goes wrong.
Mine is an everyday driver also, not work though, so I don't want to kill it. I will only take it where I am confident it will go, even if it does require some winching, after all thats what the winch is there for lol.
I will keep everyone informed on how the tyres perform off road. $ 180 per corner is pretty cheap for all terrains.