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...I've wondered about that too, for years.
...if they ever migrate up from 12VDC electrical system to 48VDC as they proposed awhile ago, there's a darn good chance that direct electrical control of valve lift & duration could be 100% under computer control...unfortunately, it takes lots of CURRENT to make inertia "change" positions quickly, hence the need for higher VOLTAGE source.
Last edited by gone-ot; 01-28-2012 at 07:05 PM..
Reason: spelling error corrected
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