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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.





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!"





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





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





3 Driviada de Mazda, Hatillo a Rincon, Part-12





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





My RX-8 Engine broken‐down & rebuilt
RX-8が一般道走行中にエンジンブローしたので、レボリ ーションさんでオーバーホールを行いました。ブロー たエンジン内部は再利用が可能な部品がほとんどない ど酷いことに...。オイル管理はそこそこしているつも でしたが、全くできていなかったことが、エンジンの 身を自分の目で見て分かりました。走行距離は約70 000Kmでした。 【オーバーホールの内容】 ・ローターランド加工 ・ローター重量合わせ ・メタル合わせ ・アペックスシール溝修正 ・コーナーシール溝修正 ・サイドシール溝修正 ・プロトスペックサイドシール ・エキセンラッピング ・ポート面取り加工 ・ポート段付き修正 ・インジェクタ吐出量合わせ





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。





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





RE AMEMIYA 20B Disassembly
RE AMEMIYA 20B Disassembly





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.





Turbocharged RX-8 engine teardown and rebuild
http://blackhaloracing.com/ With three days to pull the engine, rebuild it and reinstall, is Charles R Hill from Black Halo Racing (BHR) up to the task?! View the video to see what we find when the engine with 51,000 miles is pulled. More details and photos of this rebuild can be seen at: http://www.rx8club.com/showthread.php?t=148395 PS: I admit I didn't hold the camera stable enough for the first day of footage. Gave me a damn headache editing the footage.





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





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





Disassembling RE-Amemiya's GT 300 3-Rotor Race Engine
One of RE-Amemiya's mechanics gives the 101 on how to break the infamous Aspara Drink GT300 FD's motor down. Courtesy of RE4life.com. "Mr. Imai, the mechanic at RE Amemiya shows how to disassemble 3-Rotor Engine, which was used for their GT 300 machine!"





Which car is faster? Which Car is Faster?




Similar 1/4 mile timeslips to browse:

1980 Datsun Stanza GX: 12.679 @ 109.500
Nick Diggles, Engine: L20b, Turbos: GT30 Tires: 195/50/15


1980 Datsun Stanza GX: 13.124 @ 112.700
Nick Diggles, Engine: L20b, Supercharger: no Turbos: GT30/76 Tires: 175


1980 Datsun Stanza : 13.400 @ 105.880
Nick Diggles, Engine: L20B, Turbos: T3 Tires: 195 Dunlops


1999 Buick Park Avenue Ultra: 13.442 @ 112.170
Kyle Sheffer, Engine: 3.8 V-6, Turbos: GM4 Tires: 225/60/16 all season


1999 Buick Park Avenue Ultra: 13.560 @ 105.960
Kyle Sheffer, Engine: 3.8LV-6,


1980 Datsun Stanza sedan: 13.800 @ 103.000
duncan, Engine: L20B, Turbos: 1 Tires: hancook 215x 50


1998 Buick Park Avenue Ultra: 13.871 @ 101.400
Brian Dalton, Engine: L67 S/C 3800, Supercharger: Eaton GenV Tires: BFG G-Force T/A KDWS


1980 Datsun Stanza sss: 14.200 @ 102.100
christopher cassidy, Engine: L18, Tires: bridgestone 205/60R13


1994 Buick Park Avenue ultra: 14.330 @ 96.230
James, Engine: 3.8 v6, Supercharger: eaton m90 Tires: potenza


1998 Buick Park Avenue Ultra: 14.353 @ 95.950
Brian Dalton, Engine: 3.8L, Supercharger: Purple Dino Ported Eaton M90 Gen3 Tires: BFG G/Force TA KDWS 235/50VR18


1999 Buick Park Avenue Ultra: 14.578 @ 98.070
kevin, Engine: 3800, Supercharger: eaton M 90


1998 Buick Park Avenue Ultra: 14.776 @ 92.940
Brian Dalton, Engine: L67, Series 2 3800 S/C, Supercharger: Eaton M90 Tires: BFG G/Force TA KDWS


1979 Datsun Stanza : 15.200 @ 97.000
steven alexander, Engine: L20B (bluebird),


2000 Buick Park Avenue Ultra: 15.693 @ 89.920
Thomas Martin, Engine: 3800, Supercharger: Eaton M90 Tires: 225 60 16 General Altimax HP V Rated


2004 Lincoln Aviator 4 Wheel Drive: 15.851 @ 86.860
Matthew Forest, Engine: 4.6L V-8,


1990 Nissan Stanza : 16.184 @ 84.280
Alphonso, Engine: 2.4l SOHC 12V 138hp stock,


 


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