TwinTurbo.NET: Nissan 300ZX forum - Re: 20G Turbos
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Subject Re: 20G Turbos
     
Posted by ZHOUND on February 06, 2004 at 1:31 PM
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In Reply To 20G Turbos posted by TwinTurboPete on February 06, 2004 at 12:09 PM
     
Message : Some people say they can't live with lag but I am sure this car will blow by a Sport 535 Z anyday as soon as it gets to 5000rpm.

Pete, this is the tradeoff for huge turbos on a small motor. Here's my take on this; You have to keep in mind that with that kind of lag, although the car is making much more power than a sport535 car after 5k rpm, but the powerband is so small that when you shift you fall out of it(unless you also changed other things like cams/gear ratios to stay in the powerband). This looks great on the dyno but in the real world it becomes frustrating real quick because you lose ground every time you shift.

With TD06-20G I would look into either OSGiken or Hollinger custom gears for the Z32. Also you can have cams that will move the powerband to the left. This will take away some topend but it makes the car much more driveable. My car went 11.4@129mph just by switching to 400 cams untuned, normally this would be a high 11 second pass with maybe 125mph traps. The powerband is much wider now.

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