TwinTurbo.NET: Nissan 300ZX forum - The difference is within acceptable range
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Subject The difference is within acceptable range
     
Posted by Chip(GinnMotorsports) on May 29, 2003 at 3:03 PM
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In Reply To While you're at it, Chip... posted by degradated on May 29, 2003 at 02:44 PM
     
Message It is at the limit of what is generally referred to as being acceptable. The TDO6-20G is not a BIG compressor wheel in regards to major diameter, but has a large trim.

The actual minor diameters of the compressor and turbine are closer at 52.5 and 44mm. Also while the compressor is good for 400HP each, this turbo will not see that power range since the turbine is too small. For 700+ rwhp, you shouls not be using an internally gated turbo anyway.

The PE 1420 is the same turbine side, but with a 60/45.5mm compressor and a smaller compressor housing. Its max flow is 495 CFM (14 m^3, hence the 14 in the name). Max efficiency of 78%.

     
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