my speed. opponents speed

I play gp4 2008. earlier in the Physics tab. I GPxSet empty pole.póżniej of curiosity I downloaded. marianodc 2008 psyhic v1.0.g3p. attained a nice effect before without any physics in Bahrain. had a 1:29 lap time and speed of 327 kmh. after uploading realistic physics have time 1:33 (2008) Q., and speed of 307 - 315 kmh kubica 308kmh. Raikkonen 314kmh .2008 the race. *** But my computer opponents unchanged Driven 327kmh-315kmh me 4 seconds slower per lap from them on every track. but the speed is very realistic. mine ***
These equate to speed. australia I 305kmh very realistic. opponents 322.5kmh