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R34 GTR Vspec II Turbo's, are they steel wheel?

OZ GTR35

By OZ GTR35,
in Engines & Forced Induction

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OZ GTR35 Veteran

OZ GTR35

Posted
Posted

I have had lots of input but no one can confirm if my R34 Vspec II Std turbo's do or do not have steel wheels. If anyone can confirm this or if you have access to nissan statistics please let me know.

Squizz Grand Master

Squizz

Posted
Posted
1.6 bar should work it out for you

car still running steel wheels if you need new turbos then ceramic

lol

Will this theory also work for my 32? Is this a tried and true formula or purely speculation?

rev210 Grand Master

rev210

Posted
Posted
i think so.

they are ball bearing though while all R33 & 32 are not

No actually all the factory run of the mill gtr turbo's (including R32 & R33) are ball bearing and have ceramic exhaust wheels, the R32 and R33 N1 / group A turbos are however non ball bearing but have the metal exhaust wheels. The R34 N1 turbo's are both ball bearing and have metal exhaust wheels.

OZ GTR35 Veteran

OZ GTR35

Posted
  • Author
Posted

Rev,

Thanks for yor input, but I have to challenge the Ball Bearing part. I have had my R33 GTR turbo's re-built by garret and I have a set sitting right in front of me, and they are not ball bearing, they are brush roller bearings (I think thats what they call them).

But thanks for the info on the R34.

rev210 Grand Master

rev210

Posted
Posted

Do a search for a link to the factory specs on the turbo's. You will find that with exception to the N1's the stockers are all ballbearing.

The performance exceptions as follows:

BNR32 (NISMO)......Serial No. 14411-06U00 (F/M273 deg. plain thrust bearing centre)

T04B Compressor with a 0.42 A/R and 62T

T25 Turbine with a 0.64 A/R and CD79

BCNR33 (N1)......Serial No. 14411-24U10 (F/M360 deg. plain thrust bearing centre)

T3 Compressor with a 0.42 A/R and 55T

T25 Turbine with a 0.64 A/R and 62T

BNR34 ......Serial No. 14411-AA300 (Ball bearing centre)

C100 Compressor with a 0.53 A/R and 50T

T25 Turbine with a 0.48 A/R and 62T

BNR34 (N1)......Serial No. 14411-AA401 (Ball bearing centre)

BNR34 (N1)......Serial No. 14411-AA402 (Ball bearing centre)

BNR34 (N1)......Serial No. 14411-AA403 (Ball bearing centre)

C106 Compressor with a 0.60 A/R and 55T

GT25 Turbine with a 0.64 A/R and 62T

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