Last strafe stats

LJ Distance: 254.862915 Maxspeed: 331.663177 (56.844)
Prestrafe: 274.818817 Strafes: 6 Sync: 84

1 14.471 0.000 18.2 83
2 13.015 0.134 17.2 91
3 10.033 0.691 15.3 81
4 9.685 0.000 15.7 100
5 9.164 0.000 16.8 90
6 0.474 0.883 16.5 50

How can I increase 6th strafe gain? I should make it faster or slower? I`v heard that the last strafe is to even out the whole lj. So, how to do it?
And what is the biggest potencial distance with 6 strafes?

Jokkan have also done some 257's with 6 strafes so my tip is to ask him what kind of strafes he are doing. Here is Jokkan