This is a 4x4 type of raceing game
http://www.kookyarcade.com/index.php/module/main_game/game/4x4_rally_1187
and this is a drag raceing game where you cancustomise your car and show it off and earn credits or you could just test your skills and goof off. (if you show off your car post how many people seen it and your credit count.)
http://www.arrcade.net/index.php/module/main_game/game/drag_racer_v3_1203
Enjoy
bumpp