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      03-29-2012, 02:12 PM   #23
davesz4mc
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Drives: 2007 z4mc
Join Date: Feb 2012
Location: San Antonio, Tx

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You said, they said it should be 6mm, wondering where that came from I got that you do not have the "actual spec".

After I adjusted my valves, as close as I could get to min spec, I lost 1mpg average over 1k miles highway that I daily drive (used to get 22.4 after I am getting 21.1). Thats how much longer the valve duration peak lift changed my fuel consumption. It changed the whole exhaust note and everything, definatly drove better after the adjustment...
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