07-26-2009, 11:19 AM
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#7 (permalink)
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A True Z Fanatic
Join Date: Mar 2009
Location: Greenville NC
Posts: 2,883
Drives: 370Z Sport
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Quote:
Originally Posted by kannibul
As I understand it, the throttle body is basically wide open all the time, and the engine is controlled completely by the VVEL system - where the intake timing/lift/duration is varied to increase/decrease to increase or decrease RPM and/or power.
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Nebermind..... Each throttle body has an electronic control actuator that opens/shuts the throttle body plate based on needs the drive by wire system. You cannot finely control engine speed with camshaft rotation alone. You must be able to control the Air at some point. I see now that the cam lift (VVEL) does the majority of the work there..
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Last edited by Modshack; 07-26-2009 at 01:24 PM.
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