My fastest recorded time in streettires Hercules HP4000 275/60x15. ET 12.15@186kph I believe I ca go faster then that on street tires, cause the track wasn't sprayed or cleaned very well, so traction was not optimal. [video=youtube_share;TW_cBA8Kymc]http://youtu.be/TW_cBA8Kymc[/video]