Mazda truck swap
 

Me and a friend got a Mazda B series pick up truck and it happens to have a rotary in it and I have no clue how to tell the different types of rotarys apart can someone tell me what engine this is I’m thinking it’s a 13b
https://cimg4.ibsrv.net/gimg/www.nop...bac01def4.jpeg

Re: Mazda truck swap
 

Also if anyone knows what year this body style is it would be a huge help
https://cimg6.ibsrv.net/gimg/www.nop...1dc6cbbc0.jpeg