Sisu Performance and Engineering on Instagram: "For this Mazda Monday, we’re taking a full minute to do a proper deep dive into the 13B rotary engine! With this Turbo II torn down, we’re showing you all the key components that make it so unique: - The Rotor (the angry Dorito!) - The Eccentric Shaft (the rotary’s crankshaft) - The Housings & Ports (where the magic happens) It’s an amazing piece of engineering, and we even show where we’ll be street porting it for more power. What part do you want