TwinTurbo.NET: Nissan 300ZX forum - Seconded....hands down. However fast spooling your
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Subject Seconded....hands down. However fast spooling your
     
Posted by SirpriZ on October 21, 2005 at 12:45 AM
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In Reply To hmmm..I say manifolds...just because..... (n/m) posted by Andrew(nj) on October 21, 2005 at 12:21 AM
     
Message turbos are, they will spool (my guess) about 500RPM faster with the manifolds. You will gain a significant amount of torque because of the greater exhaust energy hitting the turbos at lower RPM (resulting in that increased spool up), greater midrange power, and more power throughout the band until the turbine wheels become the greatest cork in the system, which isn't until well after 6,500 RPM. If you have access to them, Greg Dupree posted some before and after numbers when he installed his inconel manifolds on Seb's old 530 Z, and the increased spool and midrange power gain was staggering (I think peak power and torque increased about 40 each, and that was the only change he made to make the "study" have only one variable). Hope that helps, Mark

     
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