Type this in console
Unlocks your FPS in COD4, Gains FPS, less Lag.
Shows your FPS in COD4, upper left corner (or use FRAPS)
Shows a meter, to display if your lagging or the server is.
Increases your Field Of View, slight advantage. Better looking screen.
Disables the shine of the guns, a FPS booster.. less visual
COD4 doesn't really benefit SLi, so change to 1 or 0. See if it works for you.
Disables GFX effects (dirt, snow, paper etc etc) less visual..FPS booster
Another Ping booster
Don't have the background info for this one, but does improve ping
Hope this helped!
courtesy: @IAV4K ma noob!
anyone can use it for making ping low