Chats and Forums

InTheZone Racing Forums - Includes forums for NASCAR, F1, IndyCar, CART, and off road dirt.
invisionfree.com/forums/InTheZone_Racing/

Motorsport Forums - Discussion of every form of racing.
www.motorsportforums.com/

Racing Message Boards - Includes discussions on sprints, stock cars, midgets, enduros, karts, dwarfs, vintage racing and drag racing.
www.4m.net/

Speed Society - Focused primarily on racing topics such as drag, autocross, and road racing. Also covered are shows, automotive trends and the automotive aftermarket. Includes forums for general topics, current events, and news as well.
speed-society.com/forum/phpBB2/portal.php

10 Tenths Motorsport - Discussion forum on all aspects of motorsport from F1, Touring cars, Bikes, Kart to National and club racing.
www.ten-tenths.com/forum/