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How to build a P-port RX8 rotary engine

www.rotaryeng.net


 


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Part 7: My 76 Mazda RX-5 Cosmo Restoration - Intake and Exhaust Porting
Has it been nearly a month since my last episode? Wow, time does indeed fly. I've been quite busy preparing to build the engine. So in part 7, I cover the intake and Exhaust porting. The engine is being built with GSL-SE 6 port plates and the Cosmo rotor housings as the basis for a 6 port turbo setup. This port job is fairly conservative, only opening up the primary ports a little and bringing the Exhaust ports close to 2nd gen RX-7 specs. The goal is to maintain fuel economy, low and midrange torque, and idle quality. This episode covers everything involved in porting including: marking out the new ports, grinding the port shape, smoothing the bowls, smoothing port to runner transitions, smoothing the runners, grinding and blending the Exhaust ports.





RE雨宮 GT300選手権専用「20B Peripheral Port Engine」 完全バラし!!vol.2





Building a 13B-REW
This is how a 13B engine is brought to life from the Mazda factory. Courtesy of RE4life.com "Mazda Factory's veteran Engineer, Mr. Uchitani shows how Rotary Engines are assembled. Amazing that each RE has been built by hand until 2003!"





RE雨宮 GT300選手権専用「20B Peripheral Port Engine」 完全バラし!!vol.1





Mazda rx-7, engine 13B, Big Street Port. Compression test, part 2.
Raw video. Please bare with us for now





Wankel engine and Quasiturbine
motory s rotačními písty





Mazda rx-7, engine 13B, Rebuilding rotor engine, Final Stage





Part 3: My 76 RX-5 Cosmo Restoration - Rotary Engine Disassembly And Cleaning
Part 3 of my Cosmo restoration shows disassembly of the 4 port 13B rotary engine and the beginning of the long process of cleaning the internal engine parts. At first I was quite worried about the condition of the engine after looking through the Exhaust ports, but as soon as I opened it up I was pleasantly surprised.





13B Peripheral Port LOUD!!!
Some guys 13B Carbbed Peri-port rotary starting and revving at our mazda car show. Car is a 83 Mazda GLC. It was VERY VERY LOUD in person. I couldn't even hear him hitting the rev limiter





KNIGHT SPORTS RX-7 13B-REW & RX-8 RENESIS engine
2009年オートサロン出展用の動画。 13B-REW&RENESIS エンジンの組み付け作業をDVD2枚組みでリリースする告 用動画。





RE AMEMIYA 20B Disassembly
RE AMEMIYA 20B Disassembly





*13B DOO* 13B ROTARY-POWERED SEADOO JETSKI
A dream project fifteen months in the making. Stay tuned for launch... coming 2011...





Rotary (Wankle Engine) in a Velocity SE Aircraft
Mazda 13b turbo block rotary with Mistral intake, RWS Redrive, EM2, EC2 ported with a medium street port





The Mazda Rotary Engine Part 1
Educational film by Toyo Kogyo about the Mazda Rotary Engine. Shows how the Rotary engine works with comparisons to the Piston Engine. Also shows the Mazda RX500 test vehicle on a banked circuit and the Mazda Cosmo Sport (or 110S). Originates from the late 60's.





650hp 20b RX7 and 180hp 12a RX2 cruising pt.2
650hp 20b RX7 and 180hp 12a RX2 cruising on the way home from a car show at spanish banks in vancouver. part 2 Edit* The RX7 makes 702hp on pump gas now - October 28 2014





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