How did the truck hold up during the latest Bullrun challenge? Matt and Bear lay it all on the line, but will the boys win the money to fix it? Watch Bullrun to find out! Airs Thursdays at 10pm ET, only on SPEED! Live chat with cast members during the episodes at: http://www.speedtv.com/programs/bullrun/bullrun-chat/ Follow Bullrun on Twitt...