Peripheral Porting: This is easily the most extreme style of porting in your rotary engine. Peripheral porting involves totally sealing the facet intake ports about the engine irons and making a pretty huge port to the rotor housing itself. Yet another way of checking if a Mazda RX-seven FD has https://spencerzbhhe.theideasblog.com/31333803/the-definitive-guide-to-mazda-rx-7-engine