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Old 04-23-2013, 04:06 PM   #2 (permalink)
renault_megane_dci
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la_voiture_de_courses - '03 Renault Megane Estate
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90 day: 44.34 mpg (US)

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90 day: 38.88 mpg (US)

Brit iron - '92 Mini Mini
90 day: 45.5 mpg (US)

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90 day: 47.37 mpg (US)

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So that is like Yamaha EXXUP system ?

It is just a matter of linking the exhaust flow with the inlet flow (AKA throttle) to get rid of a part of the camminess of those very high specific power engines.
I believe they can do the same with cam phasers these days but the trend might not have reached the bike world so far.
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