Table 7

Understeer Gradient Values with "Detreaded" Rear Tire
in Lightly Loaded (Curb + Driver + Instrumentation) and GVWR Condition
Test Condition Lightly Loaded Condition GVWR Condition
Test Direction
Test Vehicle and Tires* Clockwise Counter-Clockwise Clockwise Counter-Clockwise
93 Ford Explorer 4X4 w/OEM Firestone Tires 2.55 3.50 2.02 1.96
         
93 Ford Explorer XLT w/OEM Firestone Tires 0.63 1.27 0.2 0.08
         
96 Ford Explorer w/OEM Firestone Tires -1.55 0.25 -2.16 -0.73
         
96 Ford Explorer w/OEM Firestone Tires - Right Rear 0.23 -0.49 -0.85 -1.20
         
96 Ford Explorer w/OEM Goodyear Tires -1.59 0.00 -1.92 -0.72
         
96 Ford Explorer w/Replacement Goodyear Tires -1.33 0.23 -1.3 -0.42
         
97 Ford Explorer 4X4 w/OEM Firestone Tires 0.16 0.36 -0.04 0.03
         
99 Ford Explorer 2-Door w/OEM Firestone Tires -2.40 -0.87 -2.91 0.05
         
00 Ford Explorer w/OEM Firestone Tires -1.04 0.17 -1.59 -0.85
         
96 Jeep Grand Cherokee w/OEM Goodyear Tires 0.82 3.43 0.25 3.08
         
96 Chevrolet Blazer w/OEM Uniroyal Tires 0.47 2.98 0.07 1.73
         
01 Jeep Cherokee w/OEM Goodyear Tires 1.59 3.23 2.20 2.52
         
92 Nissan Pathfinder w/OEM Bridgestone Tires 0.39 1.08 -0.28 -0.42

*  Unless otherwise indicated, the "detreaded" tire was the left rear tire.