Nismo Larger Clutch Slave Cylinder R33/r32gtr

[Cubes]

Hey ppls,

http://www.nengun.com/nismo/big-operating-cylinder

Picked up a 25t box and have known about the nismo larger slave cylinder that reduces pedal effort.

My initial thoughts are as the cylinder is larger it requires the master cyl to displace more clutch fluid to completely disengage the clutch.

Has any one had experience with these larger clutch slave cylinders and with what clutch?

No issues with disengagement?

[Gts-t]

im about to start my 25t box conversion also, i will keep an eye on this tread

i had the speed sender units out of the two boxes yesterday, tyring to work out how im going to get the speedo working.

from this info i had from SK i thought it would be simple

1. I used an R33GTST slave cylinder, I don't remember seeing any difference to the R32GTST slave anyway.

2. I used a standard R32GTST speedo cable, the one the car always had

3. I used the inner half of the R33GTST speedo drive (the bit that goes in the gearbox) with the external part of the R32GTST speedo drive (the bit that connects to the speedo cable). They fit together perfectly.

but the speedo drives are one piece as far as i can tell and its not as simple as using half from each. i think some slightly custom shit is going to have to happen to get that working

sorry for the slight hijack but what do u plan to do to get the speedo working?

back on topic i got the 33 slave with my box, but was thinking about hitting up a nismo slave and the pivot fork thing. i think u should get one and tell me what its like

[KLR33]

i might be missing some thing but i dont see what u would gain by going a larger slave

if you go bigger slave it will take more effort and stroke from the master

[Cubes]

1. I used an R33GTST slave cylinder, I don't remember seeing any difference to the R32GTST slave anyway.

The R33 slave has 2 bolt holes on the bottom of the cyl, the R32 GTST has one on the top one on the bottom. So different bolt up.

3. I used the inner half of the R33GTST speedo drive (the bit that goes in the gearbox) with the external part of the R32GTST speedo drive (the bit that connects to the speedo cable). They fit together perfectly.

but the speedo drives are one piece as far as i can tell and its not as simple as using half from each. i think some slightly custom shit is going to have to happen to get that working

Interesting.. So the bolt up bracket section bolts on to the rb25t box fine? How is the length between the two?

sorry for the slight hijack but what do u plan to do to get the speedo working?

I've been given a part number that is 'apparently' still available so I will be finding out about that tomorrow. If not.. Maybe head to a wreckers to try and find an appropriate navara.

back on topic i got the 33 slave with my box, but was thinking about hitting up a nismo slave and the pivot fork thing. i think u should get one and tell me what its like

hahaha.

[Cubes]

i might be missing some thing but i dont see what u would gain by going a larger slave

if you go bigger slave it will take more effort and stroke from the master

If it takes more stroke then that would mean less effort. Think of it as a leverage type thing.

A big arsed breaker bar requires more movement to provide half a turn of a bolt than what a small stubby ring spanner.

[wrxhoon]

You will find the benefit of using the bigger slave two fold .

1) Less effort

2) More progresive pick up, so easier to drive in traffic.

No problems with the clutch disengaging at all mate , Its a Nismo product afterall and all nismo products are made well and work .

I have a Nismo Super Coppermix and a Nismo slave in my GTR , works perfect .

[Cubes]

Champ....

Will give it a go.

[Gts-t]

The R33 slave has 2 bolt holes on the bottom of the cyl, the R32 GTST has one on the top one on the bottom. So different bolt up.

Interesting.. So the bolt up bracket section bolts on to the rb25t box fine? How is the length between the two?

I've been given a part number that is 'apparently' still available so I will be finding out about that tomorrow. If not.. Maybe head to a wreckers to try and find an appropriate navara.

hahaha.

joel, i will use the 33 slave on the box never intended to use the 32 one if it was different to the 33. That was the info i got back from SK when i asked him awhile ago if i needed the 33 slave or not, as i remembered people debating it in another thread.

In regard to the speedo drives the 33 one is much longer than the r32 one. the r32 one obviously has a slot in the end u put the speedo cable in, i want to take this off and put it on the 33 drive but its not going to be easy as they appear to be one piece each :S I really need to talk to SK about this again and see if he can expain it further what is reqd.

also where are u ordering the slave from, will they do a better price for 2?

[Cubes]

Ahh I get you now..

Regarding the slave purchase; that depends where I get my clutch from. If its Kudos motorsport I'll also grab the slave from him.

[Gts-t]

what clutch are u looking at getting joel?

the clutch i have at the momment is fantastic and the pedal isnt that much harder than stock. i have no issues with wanting it to be lighter or more controllable. i must admit it is only a single plate and when i go to a twin for the next motor i expect ill grab one of these nismo slaves then.

however maybe i should grab it now before they all dry up

i will try and get a pic comparing the speedo drives next time i have my car on the hoist in the shop...

[Cubes]

I am looking at the exedy GTR 3puk sports ceramic. Apparently the GTR clutch has a tougher pressure plate.

What clutch are you using and with how much power?

Currently the 9puk xtreme XHD (heavy pedal) holds the power once the gear is selected BUT on quick changes it slips.

Granted it has done 70,000km's. lol

[Gts-t]

I am looking at the exedy GTR 3puk sports ceramic. Apparently the GTR clutch has a tougher pressure plate.

What clutch are you using and with how much power?

Currently the 9puk xtreme XHD (heavy pedal) holds the power once the gear is selected BUT on quick changes it slips.

Granted it has done 70,000km's. lol

i had direct clutch in brisbane do mine 5 years ago, i belive they modded the pressure plate and gave me a ceramic/organic clutch plate similar to a stock one.

The pedal is stuff all heavier that i can tell and never ever slips. i have piss all power tho, 214rwkw from a hks 2530 rb20.

im expecting when my rb30 or 31 is done it will need a twin plate, and from the talk here lately im leaning towards the nismo one. tho i might give direct anotehr call and see what they could do for me.

i went with them because around the time the were handling JUDGE's work and he had one of th emost powerful cars in the country before he died.

If i havent said the clutch is still as new, and ive given it a fair flogging.

the proof tho is probably in my rooted rb20 box well its not that bad just pretty noisy, i think the bearings are shagged

heading down the shop now, gotta grab some tools to remove my surge tank, its got a pin hole in it !!!

[T04GTR]

i used one with my nismo kunt tripple. it helped.

i put a os giken one in and it wasnt very good. (long travel to release) it was easy to crunch gears cos you gotta push alllll the way down on the pedal to disengage. i put the standard one back in. much better.

[Beer Baron]

funny cause I had the exact same thing using the nismo slave with my OS tripple. clutch pedal needed to be depressed all the way or you had no hope. bought a brand new stock nissan one, sure pedal is a bit heavier but I find it easier to control and now works sweet as a nut. I've now used the stock slave with OS tripple and OS twin.

[Cubes]

Beer Baron...

Rb25t gearbox I just bought = no $$ for the diff now. lol. Well not just yet.

[VSPEC-33]

Havent really had my car up on a hoist and looked at the gearbox, but is changing the slave done with the gearbox out? or can it be accessed whilst still in the car?

[Beer Baron]

slave is dead easy to change. probably the easiest job you can do on a GTR next to putting fuel in it. the hardest part is getting down on the ground! basically go to the drivers side. jack the car up a bit. you'll see the slave on the side of the box. undo clutch hose, undo the two bolts. put new slave there. do up the two bolts do up the clutch line. undo the bleed nipple, bleed clutch. done.

cubes. np.

[Gts-t]

harder if u dont have two hoists

Edited September 10, 2007 by 2630GTS

[Beer Baron]

one thing to remember is it's a pretty simple formula. larger bore means less travel, but lighter pedal. smaller bore means longer, faster travel, but more pedal effort needed.

[GTR32GUS]

slave is dead easy to change. probably the easiest job you can do on a GTR next to putting fuel in it. the hardest part is getting down on the ground! basically go to the drivers side. jack the car up a bit. you'll see the slave on the side of the box. undo clutch hose, undo the two bolts. put new slave there. do up the two bolts do up the clutch line. undo the bleed nipple, bleed clutch. done.

cubes. np.

with bleeding the clutch if u only take the slave off do u only need to bleed it from the slave or the whole system