Sorry, completely forgotten to reply here..
@Denz
Exactly what I've tried to edit before starting this thread.
For some reason it doesn't help, like said in the first post I have been able to eliminate some of the particles but not all of them which baffles me.
@Walter
That seems to work (I thought I already tried this, apparently not
) although I'd prefer for a config based solution because there is always a possibility that a scripted solution gets delayed for some reason or another (removing fuel and ammo with killed event)..