does varible valve effect my emmisions - Page 2 - Alfa Romeo Forum
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Originally Posted by davealfa11 View Post
i thought it open inlet for more duration as revs got up
theory i believe is no overlap low revs good emisions and drivabilty and as revs went up be more overlap cylinder filling is more efficient so good emisions as well
Variator affects cam timing rather than duration. Basically just moves the cam in relation to the cam pulley wheel.

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