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 My pull to push coversion how-to
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fast_s14
Complicated? Nah, its Simple!



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268 posts
94 300zx
hermann, Missouri
8-14-2004

  My pull to push coversion how-to


How-to by Joshua Rhoads (fast_s14)
This is a how to on converting a rb26dett bell housing pull style to push style.
Tools needed:
Metric sockets
ratchet and extension
crescent wrench
11/32" drill bit
drill
M10x1.5 tap
c-clamp

Parts needed:
Rb26 bell housing
Z32 front cover
Z32 throw out arm
Z32 throw out bearing
Z32 pivot ball
front cover gasket
slave cylinder

1. remove the front cover off of the Rb26 bell housing.

2. Clean gasket material off of front of bell housing.
3. Remove front cover off of Z32 transmission.
4. Remove pivot ball from Z32 transmission front cover.

5. Drill the hole that is right above the original spot that the pivot ball came from with a 11/32" drill bit.

6. Tap the hole with M10x1.5.

7. Thread Pivot ball into new location. I used a cresent wrench because i had one laying there.

8. Install the Z32 front cover onto the rb26 bell housing.

9. Install the throw out bearing and throw out arm onto the front cover

10. Now align the slave cylinder up on the side of the bell housing.

11. Mark the holes to be drilled and drill with 11/32" drill bit

12. Tap holes with M10x1.5

13. Install slave cylinder on bell housing.

14. Install bell housing on z32 transmission.
This installation will be covered in another how-to.




94 300zx rb25det

http://www.rbz32.com
My pull to push conversion
http://forums.nicoclub.com/zerothread/283159
Darius



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3055 posts
'97 240SX SE
Ames Iowa
3-2-2003

 « Re: My pull to push coversion how-to (fast_s14)


Nice writeup! You make it sound so easy, like the guys on saturday morning TV. BTW, were you smokin dope on Step 9? I can barely see through the haze




Former Vice President of the NRRBA - Non-Running RB Association
Join today! Temporary and Lifetime memberships available.


HxC_Nismo
Original? Creative? Eh.



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539 posts
98' Nissan 240sx SE R33 RB26DETT
Columbia MO
9-23-2006

 « Re: My pull to push coversion how-to (Darius)


hey that bellhousing looks so dam familar lol. im glad it worked out for ya man, good doing buisness with ya. good write up also.




-Hans-
98' 240sx SE R33 RB26DETT HKS GT2530 488RWHP 415RWTQ @22psi
http://www.midwestce.net

fast_s14
Complicated? Nah, its Simple!



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268 posts
94 300zx
hermann, Missouri
8-14-2004

 « Re: My pull to push coversion how-to (Darius)


Na actually anothoer guy was welding in the background while i was taking pictures. I just caught a little smoke in a few pictures. lol
Stealth-Z



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232 posts
1978 Fairlady Z
Sacramento CA
6-20-2004

 « Re: My pull to push coversion how-to (fast_s14)


Nice of Nissan to leave the push-type location castings in place on the bellhousings. Same for the Z32 trans cover. Makes the conversion process easier than one would think.



1978 Fairlady Z 2+2 RB30DETT build in progress
1976 Fairlady Z 2+2, another project.....
1990 300ZX N/A
fast_s13



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507 posts

Hermann,mo
2-23-2003

 « Re: My pull to push coversion how-to (Stealth-Z)


hey josh nice right up.... let me know when you want to weld that front end together



s14 parts for sale http://forums.nicoclub.com/zer...d=224
2005 ninja
95 240sx s14 sr20det, Eagle rod's,JE Piston's,Brian Crower 272 Cam's ,Brian Crower +.5mm valve's,Brian Crower spring's,Brian Crower Titainum Retainer's,ARP Bolt's through out,Greddy 1.4MM Head Gasket,New OEM Timing set, New OEM Oil Pump,ACT Prolite Flywheel,ACT 6 Puck Extreme Race disk,ACT Extreme Race Pressure Plate,FMIC,Blitz dd,Z32 maf,Apexi Power FC,Hallman Boost Controller ,Walbro 255,Megan FPR,lc-1 wideband,Stance gt+pro coilover's,Progress technolgy rear sway bar,peak performance tension rod's,Rota P45 Wheel's, Toyo Tire's,and much much more


fast_s14
Complicated? Nah, its Simple!



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268 posts
94 300zx
hermann, Missouri
8-14-2004

 « Re: My pull to push coversion how-to (fast_s13)


thanks tom, im kinda waiting on my motor to get in before we weld the front on.
bgsr240



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239 posts
90 240sx hatch sr20det redtop gt28rs-sold 89 240sx hatch S14 sr20det blacktop
Hermann Missouri
11-28-2006

 « Re: My pull to push coversion how-to (fast_s14)


I see you are getting started on the 300zx Josh.



89 240sx hatch. 96 S14 sr20det notchtop.
Mods to date: Ported and polished head, Brian Crower valvesprings, Apexi headgasket, Fidanza 10lb. flywheel, stage 3 clutch, FMIC, Blitz SS bov, boost controller, Megan fpr, Sard fuel rail fitting, 180sx caliper and rotor swap, Carbon Fiber Autometer tach/ shift light, boost, voltmeter, oil pressure, A/F gauges, nismo slave cylinder, electric fans...
Coming soon to a wide open stretch of road near you: 400hp GT3071r topmount setup, Apexi Power FC D-Jetro, 740cc inj., BC 272 cams, aluminum radiator, VLSD, Megan Coilovers.

Coupe makes you droupe. Hatch gets you snatch.

BoostFab



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3347 posts

Nissan Land
12-3-2003

 « Re: My pull to push coversion how-to (fast_s14)


props to you for the creativity/originality.
Carl H
Bio-less Moderator



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3816 posts
1995 240SX SE
charlotte nc
8-4-2003

 « 


added to the master faq...



SHift_BOOM. Damnit.
Doing an RB2X swap and scared of the wiring? Check out my thread in the RB section.
Now offering VH and SR/KA/CA conversions!
Stealth-Z



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232 posts
1978 Fairlady Z
Sacramento CA
6-20-2004

 « Re: (Carl H)


Here is a document with the part numbers on the 3rd page for the cover assembly, cover gasket and slave cylinder. The new cover assembly comes with the pivot ball and center seal.
If using a used cover, it may be a good idea to replace the seal. After all it is rubber and the Z32's are how old now?
The part number is 32114-Y4000 and lists for about $4.55.
http://www.fairladyzg.com/PDF/PullToPushConv.pdf
fast_s14
Complicated? Nah, its Simple!



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268 posts
94 300zx
hermann, Missouri
8-14-2004

 « Re: (Stealth-Z)


Quote, originally posted by Stealth-Z »
Here is a document with the part numbers on the 3rd page for the cover assembly, cover gasket and slave cylinder. The new cover assembly comes with the pivot ball and center seal.
If using a used cover, it may be a good idea to replace the seal. After all it is rubber and the Z32's are how old now?
The part number is 32114-Y4000 and lists for about $4.55.
http://www.fairladyzg.com/PDF/PullToPushConv.pdf

Just wanted to say thanks to stealth-z for his help. thanks again man

Bwana
Super Moderator



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5672 posts
'89 240 coupe RB25DET '77 MGB CA18DET
Fort Collins CO
9-16-2004

 « Re: (fast_s14)


I'm going to properly articlize this too.


If you want a custom title under your user name let me know and I'll do it.



My cars are for sale! Do the right thing and Buy them!!!
MGB Roadster!
240sx Coupe!

Stealth-Z



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232 posts
1978 Fairlady Z
Sacramento CA
6-20-2004

 « Re: (fast_s14)


Quote, originally posted by fast_s14 »

Just wanted to say thanks to stealth-z for his help. thanks again man


You are quite welcome, I pleased to see information put out goes to good use and is confirmed to work by others. About a month after making the PDF I picked up a JDM center cover. Interesting how the casting for the pivot ball is a mirror to the Z32.

There is a height difference between the JDM and Z32 pivot ball. The washer under the Z32 ball raises it to the level of the JDM. Not that is probably matters much. The way your's is tapped out eliminates the need for the washer.

Here is the Z32 Pivot Ball part number.
30537-40P00 Pivot Ball

Do you mind if I use your photos and integrate it into my PDF file? I never have considered it to be finished.

fast_s14
Complicated? Nah, its Simple!



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268 posts
94 300zx
hermann, Missouri
8-14-2004

 « Re: (Stealth-Z)


Quote, originally posted by Stealth-Z »

You are quite welcome, I pleased to see information put out goes to good use and is confirmed to work by others. About a month after making the PDF I picked up a JDM center cover. Interesting how the casting for the pivot ball is a mirror to the Z32.

There is a height difference between the JDM and Z32 pivot ball. The washer under the Z32 ball raises it to the level of the JDM. Not that is probably matters much. The way your's is tapped out eliminates the need for the washer.

Here is the Z32 Pivot Ball part number.
30537-40P00 Pivot Ball

Do you mind if I use your photos and integrate it into my PDF file? I never have considered it to be finished.

Yeah thats no problem you can use them.

gawdzilla

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1665 posts
none
9-18-2004

 « 


nice writeup, it's pretty easy to do.

actually the height of the pivot ball is pretty important. your clutch may not fully engage or disengage if the pivot ball is not the right height. Same with the TOB. would suck to put it all back together and the clutch doesn't engage right.

When i did this to an r34 rb25 pull trans, i bought a jdm cover. it was about $30, just took a while to come in.



Just your average dreamer looking for a 240

http://forums.racebread.com
Stealth-Z



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232 posts
1978 Fairlady Z
Sacramento CA
6-20-2004

 « Re: (gawdzilla)


Glad you chimed in on this one. I have wondered about the pivot ball height for some time. Was not sure if the washer thickness would be that much of an effect on the engagement/disengagement. As you say, it would suck to put it all together and not work right.
Do you happen to have the JDM part number?
gawdzilla

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1665 posts
none
9-18-2004

 « 


Quote, originally posted by Stealth-Z »
Glad you chimed in on this one. I have wondered about the pivot ball height for some time. Was not sure if the washer thickness would be that much of an effect on the engagement/disengagement. As you say, it would suck to put it all together and not work right.
Do you happen to have the JDM part number?

rb25det push type front cover: 32110-05U11.. about $30, comes with an OEM pivot ball installed too. up to you if you want to change to a nismo pivot ball.

fast_s14
Complicated? Nah, its Simple!



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268 posts
94 300zx
hermann, Missouri
8-14-2004

 « Re: (Bwana)


Quote, originally posted by Bwana »
I'm going to properly articlize this too.


If you want a custom title under your user name let me know and I'll do it.

Hey i want "Complicated? Nah its Simple" under my name.

Bwana
Super Moderator



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5672 posts
'89 240 coupe RB25DET '77 MGB CA18DET
Fort Collins CO
9-16-2004

 « 


Done. BTW, the guy who works for me used to live in Hermann, small world...
styc

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36 posts

cleveland
7-5-2007

 « Re: (Bwana)


could someone explain to me, the purpose behind this?
fast_s14
Complicated? Nah, its Simple!



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268 posts
94 300zx
hermann, Missouri
8-14-2004

 « Re: (Bwana)


Quote, originally posted by Bwana »
Done. BTW, the guy who works for me used to live in Hermann, small world...

Yeah i guess it is a small world. what is his name, Hermann's population is only like 2500 people.

fast_s14
Complicated? Nah, its Simple!



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268 posts
94 300zx
hermann, Missouri
8-14-2004

 « Re: (styc)


Quote, originally posted by styc »
could someone explain to me, the purpose behind this?
l

I did this conversion because the push type clutch i have found is easier to find and is much cheaper IMHO.

Bwana
Super Moderator



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5672 posts
'89 240 coupe RB25DET '77 MGB CA18DET
Fort Collins CO
9-16-2004

 « Re: (fast_s14)


Finally got this officially articlized.

Quote, originally posted by fast_s14 »

Yeah i guess it is a small world. what is his name, Hermann's population is only like 2500 people.

Steve Kuvik is the guys name...

ST240



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189 posts

Edmonton, Canada
8-4-2002

 « Re: (Bwana)


Ok im slightly confused here.

Here is something quoted from this thread http://forums.nicoclub.com/zerothread?id=108871

Quote, originally posted by gawdzilla »
i have an r34 rb25det tranny, not sure if its neo or not. it is definitely pull type. i am doing a conversion to push type so i can use my push type clutch.

in order to do this, the most important part is the front cover assembly. it is about $35, and is a JDM only part. it comes w/ a new pivot ball already screwed in. the remaining parts, c-clip, pivot fork, TO bearing, spring, etc. can be found as USDM (mostly matched against the Z). the entire conversion should cost about $100-150.

you also need to drill and tap the bell housing to flip the slave cylinder around. however, the casting for the holes is already there so you know exactly where to put it.

ONCE you do all of this, you should be able to use any of the readily available push type clutches (namely z32 n/a)

He says its a JDM part?? But from the write up (this thread) it seems like he just takes the Z32 front cover, moves the pivot ball to the other hole, bolts er up and calls it a day am i not correct?

The process would be identical for the neo bellhousing correct?

Modified by ST240 at 12:16 AM 4/4/2008

gawdzilla

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1665 posts
none
9-18-2004

 « Re: (ST240)


Quote, originally posted by ST240 »
Ok im slightly confused here.

Here is something quoted from this thread http://forums.nicoclub.com/zerothread?id=108871

He says its a JDM part?? But from the write up (this thread) it seems like he just takes the Z32 front cover, moves the pivot ball to the other hole, bolts er up and calls it a day am i not correct?

The process would be identical for the neo bellhousing correct?


Modified by ST240 at 12:16 AM 4/4/2008


When i did mine, i bought a new cover (jdm only part) to bolt in. in this thread, the writeup taps the existing push-type cover(step 6). you can do either but i chose to buy the cover because i was worried about the height at which the pivot ball would sit. didn't want to install it and find out my pivot ball sat too low or something.
ST240



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189 posts

Edmonton, Canada
8-4-2002

 « Re: (gawdzilla)


Quote, originally posted by gawdzilla »

When i did mine, i bought a new cover (jdm only part) to bolt in. in this thread, the writeup taps the existing push-type cover(step 6). you can do either but i chose to buy the cover because i was worried about the height at which the pivot ball would sit. didn't want to install it and find out my pivot ball sat too low or something.
[QUOTE=gawdzilla]

Ah awsome man thanks for clearing that up. where did you source this jdm cover from? do you have a part number?

gawdzilla

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1665 posts
none
9-18-2004

 « Re: (gawdzilla)


Quote, originally posted by gawdzilla »

rb25det push type front cover: 32110-05U11.. about $30, comes with an OEM pivot ball installed too. up to you if you want to change to a nismo pivot ball.


i posted it earlier in this same thread
Phat_Optimo

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183 posts
93 S13 SE
TN
6-10-2003

 « Re: (gawdzilla)


I'm thinking about trying this. Nice write up!




See my project car:http://nissaninfiniticlub.net/...=7776
http://Crankshaftspecialst.net
 

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