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<blockquote data-quote="flamefox850" data-source="post: 90791" data-attributes="member: 140"><p>ermm actually it is not like that...all the holes are actually from the extractor that dump exhaust.</p><p></p><p>the upper hole (internal wastegate) also dump exhaust but it is different from the bottom hole (turbine housing hole ?) because the internal wg can be open and close that is control by the actuator</p><p></p><p>by closing the internal wg will force all the exhaust flow from the extractor to come out through the bottom hole and makes the turbine wheel rotate faster that create more boost on the compressor side</p><p></p><p>on the other hand, opening the internal wg will separate the exhaust flow into two direction...one through it and the other through the turbine blades, this will cause the turbine blades rotate slower or maintain its speed depend on how big the internal wg opens</p></blockquote><p></p>
[QUOTE="flamefox850, post: 90791, member: 140"] ermm actually it is not like that...all the holes are actually from the extractor that dump exhaust. the upper hole (internal wastegate) also dump exhaust but it is different from the bottom hole (turbine housing hole ?) because the internal wg can be open and close that is control by the actuator by closing the internal wg will force all the exhaust flow from the extractor to come out through the bottom hole and makes the turbine wheel rotate faster that create more boost on the compressor side on the other hand, opening the internal wg will separate the exhaust flow into two direction...one through it and the other through the turbine blades, this will cause the turbine blades rotate slower or maintain its speed depend on how big the internal wg opens [/QUOTE]
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