NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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Dammit! Been Thinkin' Again.

   
Old Jan 19, 2004 | 05:53 PM
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defprun
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Okay, so, is there any schmuck throwing together a two rotor engine using 20b housings? I mean, the port sizes are so much bigger? Why the hell not!



Thoughts.
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Old Jan 19, 2004 | 06:13 PM
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behold the 13b cosmo engine!
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Old Jan 19, 2004 | 06:16 PM
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13bre



kevin.
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Old Jan 19, 2004 | 06:23 PM
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I'm a noob
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Old Jan 19, 2004 | 06:24 PM
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There's one sitting at the shop..should i buy it?
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Old Jan 19, 2004 | 06:52 PM
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Man you can't even afford new underpants, I wouldn't buy it.
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Old Jan 19, 2004 | 07:30 PM
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Kidding me.. how much bigger are the ports on the cosmo flavored Rotary? Someone post pics.. suddenly the stoned one is intrigued...
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Old Jan 19, 2004 | 08:11 PM
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Originally Posted by TheAntiChrice' date='Jan 19 2004, 09:30 PM
Kidding me.. how much bigger are the ports on the cosmo flavored Rotary? Someone post pics.. suddenly the stoned one is intrigued...
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Old Jan 19, 2004 | 08:13 PM
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Originally Posted by Leetheslacker' date='Jan 19 2004, 06:11 PM
Whoopass.. I finally just got done reading the 13B RE sticky in the 3rd gen forum.. its shitty the ports on the exhausts came smaller... they can at least be bored out like the 13B REW motor right?
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Old Jan 19, 2004 | 09:03 PM
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Originally Posted by TheAntiChrice' date='Jan 19 2004, 09:13 PM
Whoopass.. I finally just got done reading the 13B RE sticky in the 3rd gen forum.. its shitty the ports on the exhausts came smaller... they can at least be bored out like the 13B REW motor right?
No, apparently the exhaust sleeves are hollow. You need to replace the sleeves with FD ones. I hear its a pain, but check out the rebuild forum for more.
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