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matt f matt f is offline
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Join Date: Mar 2009
Location: KINGSTON,PA
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this is covered on pgs. 501 & 502 of "porsche 911 enthusiast's companion" by adrian streather and bentley publishing

their findings using the dyno concluded " no improvements" , claims of 6-8 hp gain are not substantiated

they did note there was improvement in the sound of the engine
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Old 03-10-2009, 07:25 PM
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