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r34 swap sedan diff

NOSTRADAMUSSS
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NOSTRADAMUSSS Rookie

NOSTRADAMUSSS

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Hello guys! I have r34 sedan wich came with rb20de in it. I swaped my engine and now I have est 300 hp .Unfortunetly I am stuck with stock open diff. Can anybody suggest wich cars locked diff will fit because I can't find parts in my area. I was only able to find one seller wich has this diff he doesn't know from wich car did this diff came from. It just says viscous lsd and and ratio 3.69 . If anybody can help to check will this diff fit my vehicle would be appreciated.

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NOSTRADAMUSSS Rookie

NOSTRADAMUSSS

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18 minutes ago, WR33KD said:

So your diff is the top pics and the new one you wish to buy is the bottom pics??

Yeah it should go straight in no problems.

Thank you for your answer your right . Can you please suggest are there other model nissan diff s that can fit

KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted

Have a look on the plate on your firewall and it will give the stock diff ratio for your car which I believe is 4.3 ...so  3.69 will be a lot taller - probably more than you want. 

A viscous diff will not be much different from an open diff especially if it is old. To make a worthwhile change you need a mechanical LSD (I presume you don't really want a "locked" or welded diff).

Whereabouts do you live? You may need to search further afield to get a suitable diff.

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NOSTRADAMUSSS Rookie

NOSTRADAMUSSS

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10 minutes ago, KiwiRS4T said:

Have a look on the plate on your firewall and it will give the stock diff ratio for your car which I believe is 4.3 ...so  3.69 will be a lot taller - probably more than you want. 

A viscous diff will not be much different from an open diff especially if it is old. To make a worthwhile change you need a mechanical LSD (I presume you don't really want a "locked" or welded diff).

Whereabouts do you live? You may need to search further afield to get a suitable diff.

Thank you for your answer. Yes the ratio is 4.3. My mistake by saying locked diff I meant LSD. I live in europe under Russia. My country is called Georgia.

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GTSBoy Grand Master

GTSBoy

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42 minutes ago, NOSTRADAMUSSS said:

It is pretty old

Um, they're all pretty old.

 

The first diff you pictured is not even from a Skyline. It is probably not even an R200. If it has 6 bolt (not 5 bolt as previously described) flanges AND is viscous, then it is more than likely out of a Z32, and could be an R230.

It's just the wrong diff everywhere.

 

The Laurel diff you show looks to be near perfect - so long as it is an LSD. Do not consider one out of an S chassis - there will be things that you can't handle - the ratio will be very wrong, the stub axles will be wrong and you won't be able to swap them between a VLSD and an open diff (as they are not the same lengths).

 

And lastly - you asked for a "locked diff". What do you mean? Just any old LSD? Must be mechanical LSD? The reason I ask is that VLSDs are weak. They barely offer any LSD action when they are old and when presented with a lot of power. Not that 300HP is a lot of power, but I got rid of my VLSD at that power level because it would just open up under load.

NOSTRADAMUSSS Rookie

NOSTRADAMUSSS

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Posted (edited)
20 minutes ago, GTSBoy said:

And lastly - you asked for a "locked diff". What do you mean? Just any old LSD? Must be mechanical LSD? The reason I ask is that VLSDs are weak. They barely offer any LSD action when they are old and when presented with a lot of power. Not that 300HP is a lot of power, but I got rid of my VLSD at that power level because it would just open up under load.

So to be exact this car is my daily driver. I dont want to weld diff. Because I want to keep it comfortable and safe on high speed turns and etc . . All I want is to make 2 wheels speen while trying to drift. So you suggest that there is no point in investing in old VLSD right? I am really confused, than what will be solution in this situation.

Edited by NOSTRADAMUSSS
GTSBoy Grand Master

GTSBoy

Posted
Posted

My first tip is don't drift your daily.

My second tip, is, if you want to drift, then you need a 2-way mechanical LSD. A VLSD is a form of AIDS that you do not need or want.

You can buy a Nismo (or other brand) mech centre to put into your existing diff housing using the existing CW&P.

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Kinkstaah Grand Master

Kinkstaah

Posted
Posted

Yep. Nismo diff is the answer here. The N/A R34 GTT has the same "stuff" as a S15, or at least a S15 helical bolts into a R34 N/A perfectly.

Luckily, a lot of people drift S15's so options are plentiful.

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