![13B Porting – Rotary Engine Tips by @kylemohanracing / Video by @driftingcom / Filmed at @mazdatrixofficial in 2007 ,not 2008 – DRIFTING.com 13B Porting – Rotary Engine Tips by @kylemohanracing / Video by @driftingcom / Filmed at @mazdatrixofficial in 2007 ,not 2008 – DRIFTING.com](https://drifting.com/wp-content/uploads/2019/09/13b-porting-rotary-engine-tips-by-@kylemohanracing-video-by-@driftingcom-filmed-at-@mazdatrixofficia-4.jpg)
13B Porting – Rotary Engine Tips by @kylemohanracing / Video by @driftingcom / Filmed at @mazdatrixofficial in 2007 ,not 2008 – DRIFTING.com
IR Performance - Stage 3 aggressive street port on a brand new plate. #mazda #rx7 #rotary #13b #rotaryengine #porting #irperformance | Facebook
![13B Rotary Engine Porting – Examples of Bad Porting – Part 2 – Explained by @kylemohanracing – DRIFTING.com 13B Rotary Engine Porting – Examples of Bad Porting – Part 2 – Explained by @kylemohanracing – DRIFTING.com](https://drifting.com/wp-content/uploads/2020/08/13b-rotary-engine-porting-examples-of-bad-porting-part-2-explained-by-@kylemohanracing.jpg)