Test Condition	Lightly Loaded Condition						GVWR Condition
Table 4A
Comparison of Understeer Gradient Values Determined by Different Techniques Lightly Loaded (Curb + Driver + Instrumentation) Condition vs. GVWR Condition
Test Condition	Test Direction
Test Vehicle	Clockwise			Counter-Clockwise			Clockwise			Counter-Clockwise
		95% Confidence Limits			95% Confidence Limits			95% Confidence Limits			95% Confidence Limits
	Average	Lower	Upper	Average	Lower	Upper	Average	Lower	Upper	Average	Lower	Upper
'96 Ford Explorer w/Firestone Tires
Firestone Analysis	2.07			2.01			1.43			1.85
Change from LL							*-0.64*			-0.16
% Change from LL							*-30.92%*			-7.96%
VRTC Analysis	1.93	1.38	2.48	1.99	1.80	2.18	1.59	1.35	1.83	2.03	1.57	2.49
Change from LL							-0.33			0.04
% Change from LL							-17.21%			2.07%

'96 Ford Explorer w/Goodyear Tires
Firestone Analysis	1.81			1.87			1.69			1.85
Change from LL							-0.12			-0.02
% Change from LL							-6.63%			-1.10%
VRTC Analysis	2.02	1.94	2.10	2.19	1.69	2.69	2.04	1.87	2.22	2.14	1.99	2.29
Change from LL							0.02			-0.05
% Change from LL							1.22%			-2.41%

'00 Ford Explorer
Firestone Analysis	2.31			2.08			2.23			2.2
Change from LL							-0.08			0.12
% Change from LL							-3.46%			5.77%
VRTC Analysis	2.38	2.08	2.69	2.28	2.13	2.44	2.36	1.87	2.85	2.48	2.23	2.73
Change from LL							-0.03			0.20
% Change from LL							-1.10%			8.76%

'96 Chevrolet Blazer
Firestone Analysis	5.10			3.48			3.88			4.7
Change from LL							*-1.22*			*1.22*
% Change from LL							*-23.92%*			*35.06%*
VRTC Analysis	5.37	4.75	5.99	4.83	0.60	9.06	4.42	3.29	5.54	4.98	3.64	6.33
Change from LL							*-0.95*			0.15
% Change from LL							*-17.77%*			3.15%

'01 Jeep Cherokee
Firestone Analysis	4.81			5.07			5.32			4.76
Change from LL							*0.51*			-0.31
% Change from LL							*10.60%*			-6.11%
VRTC Analysis	5.06	4.37	5.75	5.46	4.62	6.29	5.37	4.45	6.29	5.56	4.77	6.34
Change from LL							0.32			0.10
% Change from LL							6.23%			1.81%