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Location:
Canberra
Registered:
May 2002
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Re: turbo help
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Tue, 02 July 2002 13:19
 
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cant say when a cordia turbo would spool up on a ZE, since the two motors are different capacity, different compression, different manifold design etc.
what i meant to say in my previous post is that there are several types of T25, not several types of CA18 T25's. Here's some info i found previously, i cant remember which site it came from though:
"There is much confusion surrounding the turbo's that are fitted factory to the Pulsar GTiR, CA18DET Silvia, SR20DET Silvia and the local 200SX. Below are the specs to these units. Hopefully this will clear it up for some.
T25 (As fitted to the CA18DET S13 Silvia and 180SX)
Compressor - 45 trim T3 wheel with 0.48 A/R T25 diffuser
Turbine - 1.77" wheel (62 trim), 0.49 A/R T25 housing
T25G (As fitted to the S13 SR20DET Silvia and 180SX)
Compressor - 50 trim T3 wheel with 0.8A/R T25 diffuser
Turbine - 1.77" wheel (I think the trim is 62), 0.64 A/R T25 housing
T28 (As fitted to the Local S14/200SX)
Compressor - 60 trim T3 with T04B 0.6AR diffuser
Turbine - 1.85" wheel (76 trim), 0.64 A/R T25 housing
T28 (As fitted to the Pulsar GTiR)
Compressor - 60 trim T3 with T04B 0.6AR diffuser
Turbine - Not sure of wheels, most likely same as 200SX above though. 0.83 A/R T25 housing
GT2530? As fitted to the new S15 Silvia. Pure speculation on this one. It is a GT25 turbine for sure of an unknown trim and A/R. Most likely has a T3 sized compressor based on the GT wheel design but probably made from plastic composite material as Nissan is fond of doing. The turbine wheel is also likely to be ceramic. Of course the center section is ball bearing.
As far as straight bolt ups go, only the T2x series are easily swappable as they share the same exhaust flange. This means a T25, T25G or a T28 can be swapped around. "
cheers
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