TwinTurbo.NET: Nissan 300ZX forum - Re: Well, long runners are what you are trying to get away
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Subject Re: Well, long runners are what you are trying to get away
     
Posted by pionkej on July 31, 2006 at 8:52 PM
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In Reply To Well, long runners are what you are trying to get away posted by Ash's Z on July 31, 2006 at 08:40 PM
     
Message Thats not at all what I was implying. I do not want to go longer than oem. I was however looking at running a 3" upper intake pipe with the runners to the lower 3" intake pipe being approximately 2 1/2" in diameter. I also know that forced induction works differently than na, but the principle is the same, two 2" intake sides on a dual plenum does not necessarily mean that a 4" single plenum is optimum. I choose 3" after ic based on the fact I wanted approx. 300fps. velocity and 800cfm and I designed the diameters accordingly. That is also why I am running 2 1/4" before ic piping with 3" after.

I have honestly planned out the diameters of the piping with the bends included, I am looking for this application to work soley for my vehicle and have no real interest in production for others. I have therefore matched everything to the best of my ability. I will, however, try and tweak my design to try and avoid air flow bias from each turbo to each cylinder bank. And for that advice I am greatful.

     
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