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Help Identify These N1's Puppies!

West

By West,
in Engines & Forced Induction

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Beer Baron Grand Master

Beer Baron

Posted
Posted

get them to have a look inside the compressor outlet and tell you the A/R.

but what else do you need to know? there isn't much left...

have a look at the exhaust hosing, is it cast with a seperator between the wastegate outlet and turbine outlet?

oRiCLe Rising Star

oRiCLe

Posted
Posted

R34 GTR N1 TURBO SPECS:

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

( Stock GTR R34 item specs are Serial No. 14411-AA300 Ball bearing centre but ceramic wheels 0.53 A/R and 50T and 0.48 A/R and 62T )

West Grand Master

West

Posted
  • Author
Posted
get them to have a look inside the compressor outlet and tell you the A/R.

but what else do you need to know? there isn't much left...

have a look at the exhaust hosing, is it cast with a seperator between the wastegate outlet and turbine outlet?

Hi mate

It said M24 on it.

I guessed what i really like to find out is that is this a real R34 N1 with the bigger 64 exhaust housing or wheel but not the smaller version 60mm or something like that base on what i've read recently on the forum.

R34 GTR N1 TURBO SPECS:

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

( Stock GTR R34 item specs are Serial No. 14411-AA300 Ball bearing centre but ceramic wheels 0.53 A/R and 50T and 0.48 A/R and 62T )

Thanks mate

I think that make a lot of sense now, we really should have a sticker thread with proper guide to N1 turbos.

Beer Baron Grand Master

Beer Baron

Posted
Posted

that is not quite accurate as i have seen R34 N1s with my own eyes that are: BB, .64 exhaust, .48 comp cover. which would put them very close in spec to a GT-SS, where as the other 34 N1s i have seen were: BB, .64 exhaust .60 comp cover which puts them very close to a 2530.

you need to look inside the compressor outlet, the comp A/R number is stamped inside it.

EDIT: of course if it has .64 stamped on the rear housing then it's A/R is 0.64...

West Grand Master

West

Posted
  • Author
Posted
that is not quite accurate as i have seen R34 N1s with my own eyes that are: BB, .64 exhaust, .48 comp cover. which would put them very close in spec to a GT-SS, where as the other 34 N1s i have seen were: BB, .64 exhaust .60 comp cover which puts them very close to a 2530.

you need to look inside the compressor outlet, the comp A/R number is stamped inside it.

EDIT: of course if it has .64 stamped on the rear housing then it's A/R is 0.64...

Fair enough, that is very interesting to know. What about the stupid Garrett M24 stamp on the front comp?

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