Here is member AL Johnsons summit cam after 7K. Interesting numbers
Measured lift from front to back (summit K8600)
1 .3101
2 .3094
3 .2960
4 .2957
5 .2968
6 .2948
7 .3103
8 .3122
9 .3123
10 .3120
11 .2950
12 .2945
13 .2956
14 .2987
15 .3128
16 .3108