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Exhaust ports

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Old 12-07-2004, 05:56 AM
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Exhaust ports
Hello,

Is there anyone who can tell me what the purpose of the three holes directly above the exhaust ports?



Can they be blanked off?

Thank you
Andrew
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Old 12-07-2004, 06:19 AM
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The guy that started this thread might know.

https://www.rx8club.com/series-i-major-horsepower-upgrades-93/building-custom-turbo-rx-8-a-46776/
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Old 12-07-2004, 07:06 AM
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Originally Posted by Spider
Hello,

Is there anyone who can tell me what the purpose of the three holes directly above the exhaust ports?



Can they be blanked off?

Thank you
Andrew
Look like the Secondary Air Ports to me based on the workshop manual diagrams. See the attached diagram.
Attached Thumbnails Exhaust ports-emission.jpg  
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Old 12-08-2004, 03:34 AM
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Thanks for responses.
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