http://sim-monsters.com/index.php?/files/file/1762-2015-outlawed-chassis-pack/
Change log for the update is:
-Added Double Trouble, Knucklehead, Mr Excitement, Brutus, Thunder Chicken, Weapon 1, Midnight Rider, Maniac, War Wizard and World Finals XVI Encore Zombie's.
-Added fixes to all Willman/Meents chassis, Avenger, Titan (KCM version) and added backflip cab bracing to El Toro Loco (Lupe) and Grave Digger 26.