Lowering the Rear Torsion Bars - Chart

How Low? How Many Splines?

INNER SPLINE ROTATION	OUTER SPLINE ROTATION	SPRING-PLATE ANGLE	APPROXIMATE DROP IN CM
+1	-1	50'	0.55
+2	-2	1º40'	1.10
+3	-3	2º30'	1.65
+4	-4	3º20'	2.20
+5	-5	4º10'	2.75
+6	-6	5º	3.30
+7	-7	5º50'	3.85
+8	-8	6º40'	4.40
+9	-9	7º30'	4.95
+10	-10	8º20'	5.50
0	+1	8º10'	5.50
+1	0	9º	6.00
+2	-1	9º50'	6.55
+3	-2	10º40'	7.10
+4	-3	11º30'	7.65
+5	-4	12º20'	8.20
+6	-5	13º10'	8.75
+7	-6	14º	9.30
+8	-7	14º50'	9.85
+9	-8	15º40'	10.40
+10	-9	16º30'	11.00
11	-10	17º20'	11.55
0	+2	16º20'	11.00
+2	0	18º	12.0

The above table was taken from www.bugbabe.co.uk