Random Fps Spikes O_o

[Anarki3x6]

whenever i play theres parts where it seems to lag/screen jerks , as if its taking the textures to catch up or something ? anyone know how to fix it .. ?

[Sancho]

Some of these might help:

rally_chrome 0
rally_dust 0
rally_fog 0
rally_shadows 0
rally_opponentshadows 0
rally_skid 0
rally_sparks 0