Redsky wrote:
With the 19.5 tires I am also limited to a commercial truck highway tread which is fine for the pavement but poor for anywhere else
At the beginning of winter, I had a set of 245/70R19.5 Michelin XDS2 tires installed on one of my F-550 trucks at work. I was very impressed with their poor traction performance. I was driving it in about 6" of snow, and came up on a stuck F-350 with the OEM tires. We chained up the F-350, and made it to the turn around, I walked back to my truck with the Michelins, and drove right through. I was really impressed, the best 19.5 traction I have seen. I drive F-Series trucks with several 19.5 tire brands on a regular basis.
As a trade off, I did notice some tread squirm at freeway speeds.