"Street Porting"

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The term "Street Porting" has turned into a rather generic description of "Porting" work on Rotary Engines. In actuality, there are a considerable amount of differences as it is applied to different years/models of engine.

Please click in the chart below for a description of specific applications.

"Street Porting" as relating to: 86-95 Turbo Engines
86-92 Non-Turbo Engines
84-85 13B 6-Port
74-85 12A / 13B 4-Port Engines

Also, please remember that any porting is not emissions legal, and may result in your vehicle failing emissions testing.

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