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Hi.
I need a new clutch for my gearbox.
It is a factory smallbox behind RB20DE NEO.

What options do i have?
If iam not mistaken the gearbox should be the same as in R32 GTST and Nissan S14/S15?
I found some Xtreme Clutch Stage 1 for S14/S14 (i dont know if you know the brand) (UK)

OR...is the clutch same as in the bigbox from RB25DET?

 

Thank you!

 

Edited by Kapr
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https://www.sau.com.au/forums/topic/486239-rb20de-neo-smallbox-clutch/
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1 hour ago, WMDC35 said:

If it's a factory 20de manual probably has the 6 bolt flywheel in which case the det clutches won't work as they're 9 bolt.

Really? That's piss weak. I didn't know they hobbled the shitboxen that badly.

OK. So probs need to buy a flywheel too. But that's not too bad.

46 minutes ago, GTSBoy said:

Really? That's piss weak. I didn't know they hobbled the shitboxen that badly.

OK. So probs need to buy a flywheel too. But that's not too bad.

Yep, yeah would need to do the flywheel although the 6 bolt NA clutch can handle a 20de if just wants to replace the stocker.

  • Like 1
Posted (edited)

Ok so no 4cyl clutch...

Yeah it is a factory manual.

So if iam correct i need clutch and flywheel too? I can use something that suits something like R32 GTST?

 

EDIT: https://www.ebay.com/itm/224291042776
Is this ok?

 

EDIT2: i maybe forget to mention this(dk how important it is) but the trans will be behind RB25DET NEO(iam doing swap)
It will be there for a little while.
Iam planing to do bigbox or BMW tranny..

Edited by Kapr

Hi.
I tried to find anything to go be.
I found this: https://justjap.com/products/xtreme-heavy-duty-organic-clutch-flywheel-kit-nissan-skyline-r31-r32-r33-push-type

Can i use this clutch kit in my case? 
Engine RB25DET NEO
Gearbox "Small box" FS5W71C
It is a Push type clutch a and gerabox(slave cyl)
THX

4 hours ago, GTSBoy said:

That's essentially the clutch that I have behind my Neo. Big box of course, but it won't matter that you have a small box, as you won't have it for too long.

Being behind an RB25DET, we know he won't have the small box for long at all...

6 hours ago, GTSBoy said:

That's essentially the clutch that I have behind my Neo. Big box of course, but it won't matter that you have a small box, as you won't have it for too long.

So it should work in my case? 
I does not say R34 but it say push(i have push gearbox/clutch right now)

No i wont...and i do not drift/race or do anything crazy with car so even a small box should be ok for a couple of months

21 minutes ago, Kapr said:

No i wont...and i do not drift/race or do anything crazy with car so even a small box should be ok for a couple of months

Are you planning to ever come on boost with the RB25DET?

The torque of the motor alone will break the little box. It's not a matter of if, it's when.

  • Like 1
27 minutes ago, Kapr said:

I does not say R34 but it say push(i have push gearbox/clutch right now)

That's because R34 RB25DET is a pull clutch gearbox.

I have that clutch, behind 25Neo, in front of R33 gearbox.

I have brand new R34 turbo gearbox, in a box (cardboard) in the shed right now, and it will be getting used with the same engine and clutch, because I also have, in a much smaller box next to it, the front plate to convert the new box to push clutch.

  • Thanks 1
30 minutes ago, Kapr said:

No i wont...and i do not drift/race or do anything crazy with car so even a small box should be ok for a couple of months

 

7 minutes ago, MBS206 said:

Are you planning to ever come on boost with the RB25DET?

The torque of the motor alone will break the little box. It's not a matter of if, it's when.

A couple of months of gentle driving will be fine. There is a risk that you will kill it. A heavy workout will probably kill 3rd gear. Continued use will wreck the input shaft bearing.

Hi

I wrote to the xtreme clutch and they wrote me this:

Thanks for contacting us.
I already spoke with engineering team and was told that RB25DET with a non-turbo fs5w71c gearbox would not work. It would not hold the horsepower and does not bolt to that engine without some sort of adapter plate or modified bellhousing.
 

 

I know about the power(it will hold stock power)

But i rly dont know about not bolting to the engine without some adaptor??

Is this true? I thought it should mate up without any problems...

22 minutes ago, Kapr said:

But i rly dont know about not bolting to the engine without some adaptor?

It's not true. RBs only have one gearbox bolt pattern. I mean, I was surprised that there was a different clutch bolt count on the weak NAs, but that's on the flywheel, which is not part of the engine.

  • Thanks 1

Yeah i thought so too...but iam kinda confused what is what and what to get to make it work.

I know i need a push clutch(i get that with that kit i post) 

It has flywheel too and from what i found it should "mate" with RB25DET NEO.

But i dont rly know about the bolt count cuz i saw many videos about clutch on RB25DET/NEO and all of them has 6 bolt pattern...

Like here for example...

And if i google clutch kit for RB25DET NEO like "all of them" has 6 bolt flywheel...

 

Look, it's very simple. The 6 bolts or the 9 bolts are interface between the clutch and the flywheel. Any flywheel will bolt to any RB crank - the bolts in the centre there are the same same.

So, you just need teh flywheel to suit the turbo clutch. That's all. No more to think about. Get both, boost off into the sunset. (only without the boost).

  • 2 months later...

Hi...so a "development" here aswell :D
The swap is "done" and car went "test drive" BUT it seems the clutch(maybe gearbox?) is a little bit sad?
I bought this clutch kit https://justjap.com/products/xtreme-heavy-duty-organic-clutch-flywheel-kit-nissan-skyline-r31-r32-r33-push-type

"Problem" is that the first gear is hard to put into and it seems that the clutch is not disengaged.

It was not the problem with the old clutch...(or like sometime the first gear would not get as easy specialy when the fluid was cold)

So? Can it be like...bad "install" or is the clutch wrong ((it should not have been) i done research to get the right one) Or is this "normal" with new clutch and needs to be break in? 

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