Think I finally got it figured out...... These are pics from one of my hairier places we mow. Slope never looks that bad on film, but the steeper part of the hill is in front of me on the 1st pic. I couldn't even attempt this hill with factory tires on my Z. 2nd pic is going up the bad boy. The right front wheel is almost starting to wheelie. Both pics I am leaning at an angle to show the normal upright angle of "level ground". It's a fun place to mow.