Where is the fire particle effect?

[wwlfr]

I've set out to remove the smoke from the particle effect fire for optimisation reasons,
but I can't seem find what [url=http://developer.valvesoftware.com/wiki/Half-Life_2:_Episode_Two_Particle_Effect_List]PCF it is in[/url] so I can edit it. I don't even know the name of the particle.

Does anyone know where and what it is?

Thanks.

[editline]Update:[/editline]

They're in Source 2007 shared materials.

[Firegod522]

If its a env_fire then untick the smoke flag.

Also try checking the default hl2 particles.