Specialist Mazda Rotary Rebuilds & Services

01249 408888

All calls are recorded.

Street Porting

The most common form of intake port modification for a rotary engine and normally undertaken during one of our rebuild or re-manufacturing packages.

Street Porting is the reshaping and/or enlargement of the stock intake ports within the boundaries of the corner and oil seal tracks to increase the amount of air that is drawn into the engine over a particular RPM range.

As increasing the airflow in one area of the RPM range will harm airflow in another band, care must be taken to under the performance goals prior to porting. If your engine is already ported, did your engine builder ask you what YOU wanted from the engine BEFORE porting or are they just using predefined 'templates' from the likes of Racing Beat and others?

RX8 Street Porting

  • Without supporting modifications - 5bhp increase approx.
  • With other modifications such as intake, exhaust and ECU Mapping - 10-15bhp approx.
  • All prices subject to vat.

Standard Streetport £300 

Large Streetport £385

RX7 Street Porting

  • Without supporting modifications - 15bhp increase approx.
  • With other modifications such as intake, exhaust and ECU Mapping - 30-55bhp approx.
  • Ideal for Stock Twin or Single Turbo
  • All prices subject to vat.

Standard Streetport £325

Large Streetport £410

Get in touch

Address

  • RotaryMotion

  • Unit 8 Portmarsh Workshops

  • Maundrell Rd

  • Calne

  • Wiltshire

  • Sn119pu

Telephone

01249 408888

All calls are recorded.

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Opening Hours

  • Mon - Fri: 08:30 to 17:30

  • Sat: By Appointment

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