Sand blasting

[Smokeater88]

I am trying to take my 72 c-10 to bare metal. It has had 4 paint jobs one right over the other and 3 different colors. I have been through hours of sanding and a ton of sand paper. My question is can I blast the creases and hard to get to areas. I understand sand blasting can warp metals I only want to do small areas door jams and then eventually the frame. I have no experience with blasting or types of media. I have read about soda blasting and sand blasting using glass, sand walnut shells, and I'm not sure where to start. Any suggestions or how to would be great! thanks