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R200 diff? who makes the swap kit

#1 User is offline   xyster 

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Posted 18 November 2008 - 03:39 PM

I know some one make a swap kit for the R200 diff to go into a S2000 just cant think of who it is please help
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#2 User is online   iDomN8U 

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Posted 18 November 2008 - 03:53 PM

Inline Pro

#3 User is offline   esmith51 

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Posted 19 November 2008 - 01:35 PM

If i'm not mistaken I think the highest factory gear ratio Nissan put in the r200 was 3.90's. You might check with zcarparts.com if you end up looking for diffent pinion sets for the r200. From my experience with them on several z-cars they can hold up to a lot of power and torque. The design on some of the ones in the 280zx's were a little odd in the way they mounted. I had 5 z-cars before buying the S.

#4 User is offline   btstone84 

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Posted 19 November 2008 - 01:52 PM

if u get the r200 for the non-turbo 300z the gear ratio is 4.11. its supposed to hold 1000hp. (supposed to) inline pro make a kit for it to fit. i have and i like it.
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#5 User is offline   esmith51 

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Posted 19 November 2008 - 02:32 PM

I've seen one of the rear diffs form a 280zx hold up to a small block Chevy pushing out 750+hp. They are good diffs. Do you still use the rear mount that comes off of the diff cover? I had to replace a few of those on my Z's (damn rubber deteriorated). I was wondering about the setup because I think I have one sitting around sitll and was considering putting it in before goign FI.

#6 User is offline   S-Turn AP1 

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Posted 19 November 2008 - 07:36 PM

just be sure its an R200 diff. they can only be found in mid 90's 300zx's. the inline pro kit will only work with that diff, no other nissan diff will fit. :tipwink:
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#7 User is offline   esmith51 

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Posted 19 November 2008 - 07:40 PM

Weren't the housings on the r180 and the r200 virtually identical. The R200 was used Z cars as early as the 260 2+2's. the r180 differential if i'm not mistaken was almost identical to the r200.
Nissan Differential information
I used to own several z's. My '81 2+2 had a r200 with 3.91 rear gears. The turbo 280's had much lower gear ratios.


This post has been edited by esmith51: 19 November 2008 - 07:55 PM


#8 User is offline   S-Turn AP1 

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Posted 19 November 2008 - 07:49 PM

i think the studs that come out the back are different lengths and the 200 has a 5 bolt axel flange


^ R200 diff

#9 User is offline   esmith51 

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Posted 19 November 2008 - 07:58 PM

I wasn't able to find a complete reference guide. There may be one on zcar.com. I used to be a member but haven't posted on there since. I sold my last one.

#10 User is offline   CKit 

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Posted 19 November 2008 - 08:19 PM

http://www.s2ki.com/forums/index.php?&act=...3&mode=show&st=

Get a Puddymod diff instead.

A stock R200 is a viscous unit. Our OEM Torsen is a better LSD.

You can get a clutch-type in either the Nissan or Honda differential.
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#11 User is offline   esmith51 

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Posted 19 November 2008 - 08:40 PM

Does the kit use the rear mount that bolts to the rear diff cover?

#12 User is offline   nlzmo400r 

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Posted 19 November 2008 - 09:00 PM

Just to clarify some of the incorrect info in this thread: (Im traditionally an S-chassis guy and recently had an 08 350z so I know my fair share of Nissan diffs)

The r200 was used in MANY Nissan products. The older 260z and earlier used the R180 which is smaller than the r200 and is actually used in 04-07 Subaru STI's and not nearly as sought after as the r200. The r200 began being used in the 280zx, however they used VERY different pinion lengths etc and therefore are not swappable with the z32/s13/s14/s15 diffs.

The r200 differentials that S2K guys should be interested in came out of S-chassis cars (which are IDENTICAL to the infiniti j30 and N/A z32 in terms of pinion lengths and swapability)(sp?). So heres a quick break down of what comes in which chassis:

1. usdm/jdm s13/s14 - r200 (most are open differentials, 4.083 final drive)

2. usdm/jdm s13/s14 vlsd r200 (obviously the viscous type variant of the above, same mounting points and completely swappable...4.083).

3. Infiniti j30 - All came with VLSD r200 with 3.9 final drive ratio, interchangable with s13/s14 r200 housings.

4. usdm/jdm z32 n/a - all had VLSD 4.083 final drive r200, same as vlsd in s13/s14 vlsd's.

5. Nissan motorsports USED (dont know if they still do) make Ring and Pinion sets for the r200 which included 4.36 final drive changes...gotta google that one seeing as the gearing would be better for s2k guys.
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#13 User is online   iDomN8U 

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Posted 20 November 2008 - 08:40 AM

^ :thumbup:

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