Learning more about Port/Timing/etc.
12-27-07, 01:51 PM
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Learning more about Port/Timing/etc.
Well, I want to learn more about porting and timing and stuff. I'm going to buy me a blown motor and wanted to experiment around with it, but then again, I need more data on how Rotarys port/timing/etc. works. I heard about a lot of you on the boards talk about 5th and 6th ports and im still getting confused to where, and what they look like.
Any websites you guys recommend on where to learn this stuff ?
Any websites you guys recommend on where to learn this stuff ?
12-28-07, 12:19 AM
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This site shows the ports of a turbo motor and the ports for a non turbo motor, the latter of which has the auxillary ports (aka 5th and 6th ports) that you speak of. They are the top port where there is two ports shown, the one with the rotating sleeve in it.
http://www.mazdatrix.com/faq/port6p.htm
I have some other pics of the ports with the timing marks shown. Also, there is a book by Kenichi Yamamoto called "Rotary Engine." Tells you more about the rotary engine then you could ever hope to know. I have it in PDF. Its just under 2.4 megs. I don't remember where I downloaded it from but I got it from the internet for free. Maybe if you PM me your email address I can sent it to you.
Also, I've attached a picture of the non turbo engine end plate with the port timing marks shown.
http://www.mazdatrix.com/faq/port6p.htm
I have some other pics of the ports with the timing marks shown. Also, there is a book by Kenichi Yamamoto called "Rotary Engine." Tells you more about the rotary engine then you could ever hope to know. I have it in PDF. Its just under 2.4 megs. I don't remember where I downloaded it from but I got it from the internet for free. Maybe if you PM me your email address I can sent it to you.
Also, I've attached a picture of the non turbo engine end plate with the port timing marks shown.
12-28-07, 02:33 AM
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I get the idea. I saw some videos and stuff around.
Do you have to be accurate as hell to do port jobs or no, cause I wanna try doing a street port on my 13b. But I don't know if I should go ahead and do it.
Do you have to be accurate as hell to do port jobs or no, cause I wanna try doing a street port on my 13b. But I don't know if I should go ahead and do it.
12-28-07, 02:20 PM
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If you have the right tools and skills then it helps to use a template. That way you shape each port the same. It keeps you from moving inward to the center of the plate where the crank shaft is. It also keeps you from moving outward too far to where the corner seal tracks around the engine.
The picture I showed is a picture of the front and rear end plate. The engine is put together like a sandwich. The center plate also has ports on it. The exhaust ports are on the rotor housings and they can also be ported though its difficult to do on a non turbo motor because the exhaust diffuser is in the hole.
The picture I showed is a picture of the front and rear end plate. The engine is put together like a sandwich. The center plate also has ports on it. The exhaust ports are on the rotor housings and they can also be ported though its difficult to do on a non turbo motor because the exhaust diffuser is in the hole.
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