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Nismo SSS LSD carrier

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Guest Steve-Z

What I was trying to get, but not doing a very good job at it, was - is the carrier you are trying to buy, that has 12mm threads, dimensionally equivalent, in all ways, to the normal old style R-200 carrier. I'm just asking questions to make sure you don't get sold a LSD carrier that won't work in your application.

 

If it is, and the 10mm bolt will not grind its way into the cast iron carrier, then a spacer, in my opinion, would work.

 

And I am willing to make one set of these spacers, at no charge, to see how much time it would take to make them.

 

Steve-Z

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What I have found out with nissan carriers is for the R200 (short or long nose) is all the carriers is they seem to be the same size. I have put a viscus carrer (91 z32) into my long nose R200 and it seems to have the same gear mesh and backlash as the stock one did.

My friend bought a helical carrier (and side stubs) off ebay from Japan. Then he and I put it in a Z32 housing and put it in his 240SX. It's backlash and mesh seemed fine and it has worked great as a daily driver and a weekend autoxr.

I know I have limited experience in this but if you can take one from a Z32 and put it in an older housing (with spacers). Then swap the short nose around without changing anything I think they are about the same size.

 

I know I will be told I am wrong but it worked.

 

Don

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I saw a seller on Ebay selling a Nismo clutch type LSD and asked him if it would fit my long nose. He replied that it would not fit the early housing and only fit the later ones. He had bought it to put in an early Z31 and found out he could not use it. Since he had no reason to lie to me about this I would assume that there is a difference in the carriers from the long versus short nose R200 and the Nismo unit is for the newer short nose.

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Hi Don

a few questions.

 

1- What was the ratio of the long nose that you installed the Z32 carrier into?

 

2- What was the ratio that you installed on the Helical carrier?

 

3- Also Doug71ZT has posted that his Z32na was 13mm crown wheel bolts.

 

There was considerable discussion last year on this issue with stony and brokebolt and we still dont have the definative answer. Neil

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First, I have not run my my Z yet with the viscus LSD yet but I will use the stubs from the Z32. Modified to run the stock Ujoints as an experiment, I have 280t CV's for when I put in the big motor. Ratio is 3.54 and I did not use spacers it is just siting there with the ring gear pressed onto the carrier and a couple of 10mm bolts holding it. I would never run it this way as I will make some sleeves.

 

Second, I don't know what the ratios were. He just found a Z32 in the JY and pulled the diff for the conversion. He found that there is not a (in his knowlege) car in the USA that has side stubs that will fit the helical carrier. He tried (from what I remember) 240sx, 280z, R230, R200 viscus and others.

 

Third, I have only heard of two sizes of bolts on a R200. Maybe it is 12 at the threads and 13 on the shoulder? Was Doug talking about a R230?

 

Dmyntti The seller might have been thinking about the bolt sizes as the reason it wouldn't work. When I bought my new nismo clutch lsd I talked to nissan motorsports and MSA to find out which was which and which was better and they (12mm and 10mm) said there was not any diffrence other than bolt size. They had not heard of any problems with the 10mm bolts.

 

Hope this helps

 

Don

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Thanks Don,

 

Still leaves me with the suspicion that this may not work with 10 tooth pinions of 3.7-3.9 ratios but I guess we wait till someone tries it to confirm or deny the possibility.

 

By the way Nissan went back to Viscous centre for 350Z. Cheers Neil.

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If I remember correctly the diff I pulled the viscus carrier out of had a 4.08 ratio. I do know that it was a na Z32. So if that was the case you should not have a problem with a 3.7 or 3.9. The viscus LSD's don't cost much in the junk yards but you will need the get the side stubs for the carrier.

 

Don

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Ok I'm Back

 

Firstly for Don I researched the carrier (case) Part Nos for 280zx -Z31 and they use the same carriers for both pinion sizes so jmortensens theory of thicker crownwheels for the smaller pinion appears to be correct meaning the Z32-S13 carrier should be suitable with both pinion sizes.

 

My carrier came out of 200SX-S13 48/11 4.363,

US 240SX was 49/12 4.083,

European 200SX was 47/12 3.916.

 

Since Z32and S13 were produced 89-94 it is not suprising that Don has found them to be interchangeble.

 

Doug why you carrier is 13mm crown bolts so far I have no explanation, mine were 12mm with 22mm reach. Neil

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Hi Doug

 

Picked up my diff parts today, except finned rear cover, according to Aus nissan Z32 NA use a different part No for the drivegear bolt.

38102-10V00 instead of the 12mm 38102-12S00 indicating that Z32NA probably are all 13mm bolts, this No is also applicable to the new

Z33- 350Z.

 

The Z33 diff housing has also been revised, appears to be longer behind the axle shaft entry, internals appear similar to previous R200V. Neil

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