Add this code to userconfig.cfg
developer script for lj and cj.
slowmotion when jump. 250 max fps
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i have jumped 259 Units Lj and 279 units with CJ with this script.
here is a you tube link to a movie i maked when i jumped 257 lj and 275 cj with this developer script. http://www.youtube.com/watch?v=jolDafwcLBo
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Use Mwheeldown for LJ
Use Mwheelup + mwheeldown for cj
Use end To jump longer. its set cl_sidespeed to Value="300" so every jump u take you will get better: Units, speed, pre and sync

Have fun.!

bind "mwheeldown" "+jump;wait;developer 1;fps_max 250"
bind "mwheelup" "+duck;wait;developer 1;fps_max 250;"
alias speed "cl_sidespeed 300"
bind "end" "speed"