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4 ports and 6ports RX8

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Old 10-22-2005, 04:03 AM
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4 ports and 6ports RX8

Any bro can enlightened me. Is it true that the auto 8 has 4 ports while the manual 8 has 6 ports? And how does the ports work? Is it something like the honda vtec where the additional valves kicks in at high revs?
Old 10-22-2005, 08:35 AM
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Air intake ports -- and the numbers are correct. 4 for auto & 6 for 6sp.
Old 10-22-2005, 12:09 PM
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in the US that is correct for now. In Japan the standard power or 4 port engien can be had with the 4AT or a 5MT. In most other countries the standard power engine is available only as a 5MT. For the for the US (and Canada) 2006 model year the 4port engien has been dropped and so has the 4AT. They are replaced by a 6AT mated to a limited to 7500rpm Hi-power/6port engine.

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