TwinTurbo.NET: Nissan 300ZX forum - at what lift is the efficiency the most important?
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Subject at what lift is the efficiency the most important?
     
Posted by RaBBiZ(philly) on December 06, 2003 at 4:55 PM
  This message has been viewed 38 times.
     
In Reply To all manifolds were bolted to a stock head, posted by ni[X]it on December 06, 2003 at 04:06 PM
     
Message im assuming lift .300 or .400 corresponds to higher RPM driving.

how come the CFM goes down when going from stock to ported stock at lift .200? It drops from 95.09 to 93.12.

what else would be needed to put a ported exhaust manifold on? I'm assuming it is still ok to bolt sport 500's to the ported manifold or should the porting be matched on the turbo exhaust inlet as well? If the porting was not matched between the manifold and the turbo, would there still be benefits or would the missmatch cause too much turbulence? I'm pulling my engine again in the spring and am definately gonna start researching some DIY porting.

thanks for any response

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