"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.