Happens in single and multiplayer. Sometimes when I restart the race the engine noises will be gone. I can hear everything else but the engine. Then the sounds will come back on their own randomly, then go away again. I found a topic with the same issue but it looks like the problem wasnt fixed http...

TMarc wrote:Please give more details about your hardware.

Its a fairly fast system- Q9650 at 4ghz, overclocked GTX 470 GC and 8gb of ram on windows 7 64

Ive tried all options I can think of, using D3DOverrider, the settings within the launcher, and also through my nvidia control panel, whatever I do for some reason the clouds will stutter across the sky when its turned on. Everything else seems smooth though. My fps is fine and all, I dont know what...