Try driving your front wheels onto a stack of two 2x10's (3") to compensate for the 3" pitch of the pad. Also 3" blocks under the front jack pads and see what you get.
Sold the Motorhome, joined the fully retired gang. '07 Winnebago Journey 34H, ISB-02, MH2500
Toad - '08 Ford Taurus X, Blue Ox, Aventa
US Gear UBS