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180SX Blown Diff - GTR Upgrade Questions - Hardtuned.net

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180SX Blown Diff - GTR Upgrade Questions 

6 replies to this topic

#1 1.5J 180

  • Joined:01-March 15
  • Location:Australia QLD
  • Car:180SX

Posted 05 July 2017 - 09:52 PM


So yeah the diff let go in the 180SX last track day. Thought it was an axle which got me looking into upgrades, and led to a GTR conversion for a reliable rear end.

Have done some research about bolting the GTR components into the existing subframe etc. as a 'bolt in' job but can't find some clear answers I'd like answered or some help.




I understand I will need the GTR diff and centre, driveshafts and hubs as the components, using the existing diff rear cover to bolt into the subframe, plus input flange to the tailshaft. Correct? The 180SX is already five stud with skyline rear brakes.

Questions about how 'bolt in' this all is?

1. Are the GTR axles the same length as the 180SX 5 bolt axles, will everything bolt up okay with suspension components etc?

2. Tailshaft length using the existing tail shaft (aftermarket and cut for the R154) and 180SX input flange. Will the 180SX input flange bolt into the GTR diff and will the driveshaft length need modified?

3. Are the 32 and 33 GTR diffs the same in term of dimensions and compatibility etc? Or which one do I need

Anything else I'm missing there.. Any experience or input would be great.


#2 (Locky)

  • Joined:23-July 07
  • Location:Australia NSW
  • Car:kouki s14

Posted 06 July 2017 - 12:05 AM

swap rear housing for 4 bolt R200 rear
change the imput flange on diff for silvia 4 bolt one ( rattle gun and all done)
swap hubs for GT-R ones
half shafts arent exact length but as long as not running drop knuckle should e be and isues

#3 1.5J 180

  • Joined:01-March 15
  • Location:Australia QLD
  • Car:180SX

Posted 06 July 2017 - 08:42 PM

Thanks mate, appreciate the info.

Should be standard knuckle so no dramas there.

Believe the 32/33 GTR diffs are the same for bolt in purposes, just not V-SPEC which have a hydraulic pump correct?

Do you know if the tailshaft needs to be shortened i'm guessing?

#4 DAT180

  • Joined:01-January 07
  • Location:Australia ACT
  • Car:Datsun 180B

Posted 07 July 2017 - 09:23 AM

I have some R32 GTR rear hubs for sale if you need some. $200 plus postage.

#5 1.5J 180

  • Joined:01-March 15
  • Location:Australia QLD
  • Car:180SX

Posted 07 July 2017 - 09:09 PM

Thanks mate, will try to track down a complete set of everything but will certainly keep that in mind

#6 S15 sxytime

  • Joined:18-March 09
  • Location:Australia SA
  • Car:S15 GT spec R

Posted 03 October 2017 - 05:44 PM

Best reply ever,pictures explain all.

#7 The Big Fist

  • Joined:10-December 12
  • Location:Australia WA
  • Car:s15

Posted 04 October 2017 - 06:30 PM

I feel like this forum is now redeemed.
no not really, it's dead as fuck and depressing.

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