Sisu Performance and Engineering on Instagram: "The teardown phase is officially underway. ✅ Taking the 13B rotary from our FC RX-7 down to its core components. We’re inspecting everything and getting these housings ready for a fresh street port and a full rebuild. Time to see what we’re working with! #EngineTeardown #FCRX7 #RotaryEngine #13B #Streetport #EngineRebuild #JDM #Mazda #SisuPerformance #Wrenching #ShopLife #CarBuild"