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R200 Diff Ratios 

129 replies to this topic

#31 xris

  • Joined:05-November 02
  • Location:Australia VIC

Posted 23 April 2011 - 09:33 AM

Just thought id share finally got to drive my 180 with its new 4.636 diff (alot of work to fit this and get it working within a r200, dont just think its an easy drop in and she'll be right).

4.636 diff

100km in 5th gear = 3000rpm
80km in 5th gear = 2800rpm

I love it for the street.

#32 fiend.

  • Joined:24-April 05
  • Location:Australia VIC

Posted 23 April 2011 - 11:25 AM

View Postxris, on 23 April 2011 - 09:33 AM, said:

Just thought id share finally got to drive my 180 with its new 4.636 diff (alot of work to fit this and get it working within a r200, dont just think its an easy drop in and she'll be right).

4.636 diff

100km in 5th gear = 3000rpm
80km in 5th gear = 2800rpm

I love it for the street.

Did you adjust your speedo?

I'm also really interested in the 4.636 ratio - When you say it took a lot of work to fit, how so? I thought it might just be a case of removing the diff centre's ring gear and the diff's pinion gear and replacing them with the 4.636 ones, what more is involved?

I also find it odd that people are reporting doing 3000rpm at 100km with 4.1, 4.3 and 4.6 diffs (see thread http://nissansilvia....howtopic=486832 ) - could this be due to the gearbox?

Also, how much better is it than your last 4.363 ratio?

#33 JDS-513

  • Joined:22-July 07
  • Location:Australia NSW
  • Car:S13

Posted 23 April 2011 - 02:13 PM

Long nose is a totally different ball game, found in dr30's I think? R31 don't run IRS rear end (maybe in the gtsr or other imported models) Abs housings are longer than non abs due to the fitment of abs sensor = different length tailshafts must be used

#34 MR-GEM

  • Joined:05-January 06
  • Location:Australia NSW
  • Car:S14A

Posted 23 April 2011 - 07:03 PM

can anyone help with my question above? details on what needs to be done to speedo drive.Sorry for the noob questions

#35 kouki_s14a

  • Joined:26-October 10
  • Location:Australia NSW
  • Car:Kouki S14a

Posted 27 April 2011 - 10:25 AM

What is the most preferred diff ratio for getting into drifting?

#36 xris

  • Joined:05-November 02
  • Location:Australia VIC

Posted 03 May 2011 - 10:11 AM

View Postfiend., on 23 April 2011 - 11:25 AM, said:

View Postxris, on 23 April 2011 - 09:33 AM, said:

Just thought id share finally got to drive my 180 with its new 4.636 diff (alot of work to fit this and get it working within a r200, dont just think its an easy drop in and she'll be right).

4.636 diff

100km in 5th gear = 3000rpm
80km in 5th gear = 2800rpm

I love it for the street.

Did you adjust your speedo?

I'm also really interested in the 4.636 ratio - When you say it took a lot of work to fit, how so? I thought it might just be a case of removing the diff centre's ring gear and the diff's pinion gear and replacing them with the 4.636 ones, what more is involved?

I also find it odd that people are reporting doing 3000rpm at 100km with 4.1, 4.3 and 4.6 diffs (see thread http://nissansilvia....howtopic=486832 ) - could this be due to the gearbox?

Also, how much better is it than your last 4.363 ratio?

The bolts that hold the crown on were different thickness so had to get sleaves machined up to take up the slack in the holes. It didnt fit into the first R200 housing i had. It took 2 short half shafts(the bits that go into the diff).

Think that was about it. alot of stuffing around getting it to bolt in. that cost me $500 (to install, and setup the diff), the crown and pinion was around $500, and the 2 way originally cost me around $500~ so yeh not too cheap...

Speed was calculated using a GPS Speedo(dont have a speedo). Im running 18's all round as well.

#37 xris

  • Joined:05-November 02
  • Location:Australia VIC

Posted 05 May 2011 - 11:23 AM

View PostJ-spec, on 30 September 2008 - 04:59 PM, said:

You may find these useful.

Attachment Scan0001.jpg
Arrrrhhhhh if only id seen that pic when i was putting the 4.6 ratios in(pictures up top right). the crown had this problem had to get sleaves made up for my bolts as i had the ones on the left not the tapered out bolts on the right....:(

#38 Old Mate S15

  • Joined:21-April 09
  • Location:Australia VIC
  • Car:Nissan 180SX

Posted 25 May 2011 - 01:02 PM

Will an R33 GTST manual diff (4.11) bolt into an S15?

#39 DYNOBUSTER

  • Joined:09-May 11
  • Location:Australia SA
  • Car:cefiro

Posted 07 June 2011 - 08:28 PM

z33 manual 3.538

and

z33 auto 3.357

anyone for salt flat racing lol

Edited by DYNOBUSTER, 07 June 2011 - 08:29 PM.


#40 Bradshaw

  • Joined:08-December 04
  • Location:Australia VIC
  • Car:-s14a- r31

Posted 08 June 2011 - 08:12 PM

View PostOld Mate S15, on 25 May 2011 - 01:02 PM, said:

Will an R33 GTST manual diff (4.11) bolt into an S15?
I believe if you change the half shafts yes.

#41 Bradshaw

  • Joined:08-December 04
  • Location:Australia VIC
  • Car:-s14a- r31

Posted 08 June 2011 - 08:21 PM

S14 manual diff or
S15 manual diff... Which is better for 400m

#42 Bradshaw

  • Joined:08-December 04
  • Location:Australia VIC
  • Car:-s14a- r31

Posted 08 June 2011 - 08:32 PM

View Post--domino--, on 27 April 2011 - 10:25 AM, said:

What is the most preferred diff ratio for getting into drifting?
Shorter gears that keep you changing...

#43 Bradshaw

  • Joined:08-December 04
  • Location:Australia VIC
  • Car:-s14a- r31

Posted 08 June 2011 - 08:32 PM

View Post--domino--, on 27 April 2011 - 10:25 AM, said:

What is the most preferred diff ratio for getting into drifting?
Shorter gears that keep you changing...
Got to live these double up messages

#44 Toyrismo

  • Joined:06-December 10
  • Location:Australia NSW
  • Car:s13

Posted 09 June 2011 - 01:42 PM

quick question, just want to know will a r180 4.3 diff gears suit r200 VLSD? im thinking no but just want to be sure

#45 green_pea

  • Joined:21-November 06
  • Location:Australia NSW
  • Car:180esex bro

Posted 14 July 2011 - 12:32 PM

View PostJ-spec, on 30 September 2008 - 04:59 PM, said:

You may find these useful.

Attachment Scan0001.jpg Attachment Scan0002.jpg

im pretty sure this is from an old drift tengku magazine, looks like some amazing info there. all we need to do is translate it..

i think it also should be noted here that when changing to say from 3.9 to 4.1, the half shafts have to be changed also.
refer photo for both drivers sides half shafts, 3.9 on left and 4.1 on right

Posted Image

#46 Pinchy

  • Joined:06-December 09
  • Location:Australia NSW

Posted 14 July 2011 - 12:57 PM

Can anyone here source the 4.9 I would buy it straight away.

#47 green_pea

  • Joined:21-November 06
  • Location:Australia NSW
  • Car:180esex bro

Posted 15 July 2011 - 01:58 PM

View PostMR-GEM, on 03 April 2011 - 08:21 PM, said:

Hey guys looking at upgrading my factory aus delivered manual s14a diff to a 4.11 (or 4.3) ratio diff for better acceleration/drag times when the time comes.Whats my current diff ratio and will any off these suggested diffs basically bolt straight in,for example r33 gtst diff (or r32 gtst for 4.3 ratio) ? New to the site,so help would be greatly appreciated.Thanks.


View PostMR-GEM, on 23 April 2011 - 07:03 PM, said:

can anyone help with my question above? details on what needs to be done to speedo drive.Sorry for the noob questions

im guessing your running a "3.692 - S14 SR20DET ADM Manual"?????????

to answer your question, yes you can use a r33 diff*

*all you have to do is make sure if your diff has an abs sensor, you buy one with one too as its physically longer than non ABS diffs.

also, im pretty sure that r32 diffs are not rubber mounted as the s14's are all rubber mounted so you cant easily bolt up a r32 diff (some correct me if incorrect)

hope this helps you

#48 wagon_drifter

  • Joined:28-August 10
  • Location:Australia SA
  • Car:vl rb20det

Posted 16 July 2011 - 06:08 PM

off the wall question.

what is a z32 300zx diff referrred to as? have one here and thinking of locking it or shimming the hell out of it for a r32 drifter as the 32 diff went to a better place.

any help appreciated

#49 0kla

  • Joined:12-February 08
  • Location:Australia SA
  • Car:Type X

Posted 16 July 2011 - 07:17 PM

View Postgreen_pea, on 14 July 2011 - 12:32 PM, said:

View PostJ-spec, on 30 September 2008 - 04:59 PM, said:

You may find these useful.

Attachment Scan0001.jpg Attachment Scan0002.jpg

im pretty sure this is from an old drift tengku magazine, looks like some amazing info there. all we need to do is translate it..

i think it also should be noted here that when changing to say from 3.9 to 4.1, the half shafts have to be changed also.
refer photo for both drivers sides half shafts, 3.9 on left and 4.1 on right

Posted Image
ahhh f**k, i hope this isnt the case for all the diffs, Im planning on changing my 3.9 half shafts into a 4.3
Would they fit?

#50 green_pea

  • Joined:21-November 06
  • Location:Australia NSW
  • Car:180esex bro

Posted 17 July 2011 - 08:59 AM

View Post0kla, on 16 July 2011 - 07:17 PM, said:

View Postgreen_pea, on 14 July 2011 - 12:32 PM, said:

View PostJ-spec, on 30 September 2008 - 04:59 PM, said:

You may find these useful.

Attachment Scan0001.jpg Attachment Scan0002.jpg

im pretty sure this is from an old drift tengku magazine, looks like some amazing info there. all we need to do is translate it..

i think it also should be noted here that when changing to say from 3.9 to 4.1, the half shafts have to be changed also.
refer photo for both drivers sides half shafts, 3.9 on left and 4.1 on right

Posted Image
ahhh f**k, i hope this isnt the case for all the diffs, Im planning on changing my 3.9 half shafts into a 4.3
Would they fit?

im sure 4.1 and above use the same and 3.9 and below use the same

#51 DYNOBUSTER

  • Joined:09-May 11
  • Location:Australia SA
  • Car:cefiro

Posted 29 August 2011 - 10:55 PM

View Postwagon_drifter, on 16 July 2011 - 06:08 PM, said:

off the wall question.

what is a z32 300zx diff referrred to as? have one here and thinking of locking it or shimming the hell out of it for a r32 drifter as the 32 diff went to a better place.

any help appreciated

they are a R230 bit bigger ring gear I'm lead to believe... also in the Z33/34 and US spec V8 VH45 J30 also the front diff of an Alterra

#52 xris

  • Joined:05-November 02
  • Location:Australia VIC

Posted 29 September 2011 - 09:57 AM

View PostPinchy, on 14 July 2011 - 12:57 PM, said:

Can anyone here source the 4.9 I would buy it straight away.

Check out mazworx they sell 4.9's thats where i got my 4.636 ratios from.

http://www.mazworx.c...g-and-pinion-49

#53 SlEePeR DR

  • Joined:24-July 07
  • Location:Australia SA
  • Car:Silbeer

Posted 29 November 2011 - 02:18 AM

View Postgreen_pea, on 17 July 2011 - 08:59 AM, said:

View Post0kla, on 16 July 2011 - 07:17 PM, said:

View Postgreen_pea, on 14 July 2011 - 12:32 PM, said:

View PostJ-spec, on 30 September 2008 - 04:59 PM, said:

You may find these useful.

Attachment Scan0001.jpg Attachment Scan0002.jpg

im pretty sure this is from an old drift tengku magazine, looks like some amazing info there. all we need to do is translate it..

i think it also should be noted here that when changing to say from 3.9 to 4.1, the half shafts have to be changed also.
refer photo for both drivers sides half shafts, 3.9 on left and 4.1 on right

Posted Image
ahhh f**k, i hope this isnt the case for all the diffs, Im planning on changing my 3.9 half shafts into a 4.3
Would they fit?

im sure 4.1 and above use the same and 3.9 and below use the same
Just incase anyone was wondering, NISMO diffs use different shafts again. Had some serious issues with my power brute because of it <_<

#54 1991_SHOW_CA18DET

  • Joined:05-February 11
  • Location:Australia SA
  • Car:1991 CA18DET

Posted 06 December 2011 - 05:09 PM

This is probably a really dumb question but how do you know if your diff is an r180 or r200?
I have a ca18det manual (was originally auto) & i need to know which one i have so i can get the right diff center -_-

#55 ScottD

  • Joined:29-October 09
  • Location:Australia VIC
  • Car:S14a, BF F6

Posted 09 December 2011 - 08:34 AM

mazworx for sure

ordered a set of 4.9's on a monday and got them on the friday morning

all up cost about $350 or so delivered

#56 blingcommander

  • Joined:05-October 06
  • Location:Japan
  • Car:Scooty-Puff Jr.

Posted 09 December 2011 - 08:42 AM

View PostSlEePeR DR, on 29 November 2011 - 02:18 AM, said:

Just incase anyone was wondering, NISMO diffs use different shafts again. Had some serious issues with my power brute because of it Posted Image
my nismo centre came with the shafts...

View Post1991_SHOW_CA18DET, on 06 December 2011 - 05:09 PM, said:

This is probably a really dumb question but how do you know if your diff is an r180 or r200?
I have a ca18det manual (was originally auto) & i need to know which one i have so i can get the right diff center -_-
there are 6 mount holes on the rear of the subframe, looking from the rear. R200 uses the 4 outside ones, R180 uses 2 of the inside ones and 2 of the outside ones.

Posted Image

#57 BHDave

  • Joined:10-August 03
  • Location:Australia NSW

Posted 14 December 2011 - 12:40 PM

View Postblingcommander, on 09 December 2011 - 08:42 AM, said:

View PostSlEePeR DR, on 29 November 2011 - 02:18 AM, said:

Just incase anyone was wondering, NISMO diffs use different shafts again. Had some serious issues with my power brute because of it Posted Image
my nismo centre came with the shafts...


Ditto.

Also for anyone going the 4.6 crown wheel they use the smaller crown wheel bolts from what Xris is saying.

Nismo ring gear bolts solve this issue. They have a 13mm shank and 12mm thread vs the regular old 13mm shank/thread

#58 j.waz

  • Joined:19-January 10
  • Location:Australia NSW
  • Car:sil

Posted 21 February 2012 - 01:42 PM

View PostBHDave, on 14 December 2011 - 12:40 PM, said:

View Postblingcommander, on 09 December 2011 - 08:42 AM, said:

View PostSlEePeR DR, on 29 November 2011 - 02:18 AM, said:

Just incase anyone was wondering, NISMO diffs use different shafts again. Had some serious issues with my power brute because of it Posted Image
my nismo centre came with the shafts...


Ditto.

Also for anyone going the 4.6 crown wheel they use the smaller crown wheel bolts from what Xris is saying.

Nismo ring gear bolts solve this issue. They have a 13mm shank and 12mm thread vs the regular old 13mm shank/thread

can you use any r200 housing with the 4.6 crown...?

#59 -**wHiStLe**-

  • Joined:02-November 06
  • Location:Australia VIC
  • Car:S15, R32, R33

Posted 21 February 2012 - 01:54 PM

No idea wtf my ratio is.
Speedo says 110-115 in 6th is 3000rpm

#60 JTMS13

  • Joined:12-December 11
  • Location:Australia VIC
  • Car:s13 silvia

Posted 04 March 2012 - 09:58 AM

Is 4k rpm in top gear at 100kph normal for a ca s13





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