TwinTurbo.NET: Nissan 300ZX forum - You got the specs messed up
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Subject You got the specs messed up
     
Posted by sparkie on April 22, 2010 at 3:50 PM
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In Reply To Performance differences in (T3) GT28R style and GT28RS(T04B) posted by KongZTT GT28RS MD on April 22, 2010 at 03:25 AM
     
Message GT28RS is GT2860 not GT2871.
GT28R is GT2560.

The R denotes hybrid. The 60 is GT30 compressor wheel with 60mm exducer and 47mm inducer.

The difference in output is not because of the compressor housing. The housing affects spool-up time, but not the output.

The output difference comes from the turbines.

GT28R is GT2560 and uses a GT25 turbine(42mm exducer, 53mm inducer), flows about 14.5LB/min max at 65% max efficiency.

GT28RS(GT2860) uses a GT28 turbine (47mm exducer, 54mm inducer), flows about 21LB/min max at 72% max efficiency.

That's where the power difference comes from.

www.ztechz.net

ICQ # 14337317

     
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