Ok so my one project cars shell is currently on the rotiserie and my media blaster is not cutting it to get the factory undercoat off any ideas?

http://www.motorauthority.com/news/1095457_one-off-pagani-huayra-huayra-730-s-design-revealed?utm_source=crowdignite.com&utm_medium=referral&utm_campaign=crowdignite.com   http://www.gtspirit.com/wp-content/uploads/2014/11/pagani-huayra-730-s-edition-02-640x452.jpg   http://www.gtspirit.com/wp-content/uploads/2014/11/pagani-huayra-730-s-edition-03-640x452.jpg

http://www.motorauthority.com/news/1094770_will-the-mitsubishi-evo-be-replaced-by-a-hybrid-suv?utm_source=crowdignite.com&utm_medium=referral&utm_campaign=crowdignite.com   http://img4.wikia.nocookie.net/__cb20140621153304/gran-turismo/images/7/75/Mitsubishi_Concept_XR-PHEV_VGT_3.jpg   http://img2.wikia.nocookie.net/__cb20140621153207/gran-turismo/images/thumb/b/b7/Mitsubishi_Concept_XR-PHEV_Evolution_Vision_Gran_Turismo.jpg/670px-Mitsubishi_Concept_XR-PHEV_Evolution_Vision_Gran_Turismo.