Performance Motorsport: OS Giken GT Twin Plate Clutch Install

Anthony@PM · 06-25-2011, 10:45 AM

A customer came to us after having difficulties with another shop and needed a tune on his SuperCharged 370Z. While here he also decided to have an Oil Cooler and a OS Giken Grand Touring Twin Plate Clutch installed. He was looking for a high horsepower clutch without giving up the 'OEM feel' engagement. This is actually the very first OS Giken GT TP clutch installed. I grabbed a couple shots through out the install process to share here with you guys.

the car before dropping the transmission

Out with the JimWolf clutch

The new OS Giken GT Twin Plate

Transmission going back in

SPOHN · 06-25-2011, 12:22 PM

Great, Im jealous. What are the blue and black fitting inside the transmission bell housing there? I'm going to say they connect to the clutch slave cylinder. Not familier with the inside of transmissions.

I also see some axle stubs there. Is there a LSD being installed?

KusoSama · 06-27-2011, 03:49 PM

Speaking of the CSC... Did you replace your CSC during the install?

I thought I read those are now more prone to fail. Please correct me if I'm wrong.

roplusbee · 06-28-2011, 01:01 AM

Quote:

Originally Posted by KusoSama

Speaking of the CSC... Did you replace your CSC during the install?

I thought I read those are now more prone to fail. Please correct me if I'm wrong.

Awesome question.............I would like to know this information as well.

JDMFairlady21 · 06-28-2011, 11:16 AM

Yes the CSC was replaced with a custom piece that we make in house. we normally use ZSpeed's CSC but have also developed our own that is twice as strong, but is also double the price.

The customer wanted the best of the best so he went ahead with our CSC along with the Grand Touring Giken Clutch

blackbird · 06-29-2011, 07:55 PM

I had a Giken clutch installed on my 370Z GTM TT. The problem is that clutch engages at the very top of the Clutch pedal. My installer does not know how to adjust it. I've e-mailed Giken and gotten no reply. Any help appreciated.

fuct · 07-05-2011, 03:06 PM

thread jack anyone... :P

KusoSama · 07-06-2011, 03:22 PM

Quote:

Originally Posted by blackbird

I had a Giken clutch installed on my 370Z GTM TT. The problem is that clutch engages at the very top of the Clutch pedal. My installer does not know how to adjust it. I've e-mailed Giken and gotten no reply. Any help appreciated.

Look for a thread about the clutch helper spring.

esfourteen · 07-11-2011, 12:22 AM

Quote:

Originally Posted by KusoSama

Look for a thread about the clutch helper spring.

has no effect on the engagement height, just feel.

SPOHN · 07-12-2011, 06:47 PM

Updates please. I'd like to hear some reviews about the OS Giken clutch and it's driving behavior.

blackbird · 07-13-2011, 09:24 PM

Can handle the HP. have 500+ (GTM TT) and all is well. Not so great for stop and go traffic. Very little slip, if any. Release is at the top of the pedal release. Clutch is Off or On only. No in between. When moving, shifts easily, wouldn't know it is anything special. Haven't really dropped the hammer due to a right rear axle not being where it should be. Will be replacing Base rear end + Quaife LSD with Sport LSD and we'll see how that works out. A bit noisy but no big deal while driving. A little scary to some who don't know what it is (dealer anyone?).

fuct · 07-20-2011, 02:44 PM

hmmm it sounds like its not much more friendly than the non GT series. hmmm

roplusbee · 07-21-2011, 04:43 AM

So it engages at the top huh? No way to adjust it closer to the middle? That may make things interesting for me in the long run.....

Great job on the install

zzdudaka · 07-26-2011, 07:15 PM

Interested to know if it can be adjusted to engage mid pedal instead of up top.

Girald · 07-24-2020, 04:31 AM

Thx for the pics...

I love my OSG/GT its a must if if dropping a TT in the car. Of course i blew the block (oops) so now im swapping... pics help

BTW: this clutch is excellent if you want an OEM feel.. I have had no complaints running this clutch whatsoever. (out of sight out of mind type of operation - a bit jingly fully engaged though)

06-25-2011, 10:45 AM	#1 (permalink)
Anthony@PM Base Member Join Date: Mar 2011 Location: NY Posts: 223 Drives: 04 350Z Roadster 6mt Rep Power: 14	Performance Motorsport: OS Giken GT Twin Plate Clutch Install A customer came to us after having difficulties with another shop and needed a tune on his SuperCharged 370Z. While here he also decided to have an Oil Cooler and a OS Giken Grand Touring Twin Plate Clutch installed. He was looking for a high horsepower clutch without giving up the 'OEM feel' engagement. This is actually the very first OS Giken GT TP clutch installed. I grabbed a couple shots through out the install process to share here with you guys. the car before dropping the transmission Out with the JimWolf clutch The new OS Giken GT Twin Plate Transmission going back in __________________ http://img59.imageshack.us/img59/6234/ddle4y.gif Click Banner to Tour Our Facility Anthony@TheExperience.com www.facebook.com/TheExperienceNY *FOLLOW US ON FACEBOOK*

06-25-2011, 12:22 PM	#2 (permalink)
SPOHN A True Z Fanatic Join Date: Feb 2010 Location: Covington, GA Age: 45 Posts: 14,844 Drives: Waiting on next Z Rep Power: 221	Great, Im jealous. What are the blue and black fitting inside the transmission bell housing there? I'm going to say they connect to the clutch slave cylinder. Not familier with the inside of transmissions. I also see some axle stubs there. Is there a LSD being installed? __________________ Last edited by SPOHN; 06-25-2011 at 12:27 PM.

06-27-2011, 03:49 PM	#3 (permalink)
KusoSama Base Member Join Date: Jul 2010 Location: UP Posts: 127 Drives: 2010 370Z Sport MB Rep Power: 15	Speaking of the CSC... Did you replace your CSC during the install? I thought I read those are now more prone to fail. Please correct me if I'm wrong. __________________ K&N Drop-in Filters \|\| Invidia Gemini CBE \|\| ERZ High Flow Cats \|\| Uprev \|\| 3.54 Final Drive

06-28-2011, 11:16 AM	#5 (permalink)
JDMFairlady21 Enthusiast Member Join Date: Oct 2009 Location: LI, NY Posts: 348 Drives: 03 Z33 TT Redline Rep Power: 16	Yes the CSC was replaced with a custom piece that we make in house. we normally use ZSpeed's CSC but have also developed our own that is twice as strong, but is also double the price. The customer wanted the best of the best so he went ahead with our CSC along with the Grand Touring Giken Clutch __________________ [

07-12-2011, 06:47 PM	#10 (permalink)
SPOHN A True Z Fanatic Join Date: Feb 2010 Location: Covington, GA Age: 45 Posts: 14,844 Drives: Waiting on next Z Rep Power: 221	Updates please. I'd like to hear some reviews about the OS Giken clutch and it's driving behavior. __________________

06-29-2011, 07:55 PM	#6 (permalink)
blackbird Base Member Join Date: May 2009 Location: Nashua NH Posts: 179 Drives: 09 370Z BLk GTM TT Rep Power: 16	I had a Giken clutch installed on my 370Z GTM TT. The problem is that clutch engages at the very top of the Clutch pedal. My installer does not know how to adjust it. I've e-mailed Giken and gotten no reply. Any help appreciated.

07-05-2011, 03:06 PM	#7 (permalink)
fuct A True Z Fanatic Join Date: May 2009 Location: Sugar Land Posts: 3,692 Drives: 97' Ranger :) Rep Power: 24	thread jack anyone... :P

07-13-2011, 09:24 PM	#11 (permalink)
blackbird Base Member Join Date: May 2009 Location: Nashua NH Posts: 179 Drives: 09 370Z BLk GTM TT Rep Power: 16	Can handle the HP. have 500+ (GTM TT) and all is well. Not so great for stop and go traffic. Very little slip, if any. Release is at the top of the pedal release. Clutch is Off or On only. No in between. When moving, shifts easily, wouldn't know it is anything special. Haven't really dropped the hammer due to a right rear axle not being where it should be. Will be replacing Base rear end + Quaife LSD with Sport LSD and we'll see how that works out. A bit noisy but no big deal while driving. A little scary to some who don't know what it is (dealer anyone?).

07-20-2011, 02:44 PM	#12 (permalink)
fuct A True Z Fanatic Join Date: May 2009 Location: Sugar Land Posts: 3,692 Drives: 97' Ranger :) Rep Power: 24	hmmm it sounds like its not much more friendly than the non GT series. hmmm

07-21-2011, 04:43 AM	#13 (permalink)
roplusbee A True Z Fanatic Join Date: Dec 2009 Location: Killeen, TX Posts: 2,360 Drives: 2007 350Z NISMO Rep Power: 22	So it engages at the top huh? No way to adjust it closer to the middle? That may make things interesting for me in the long run..... Great job on the install __________________ 2007 350Z NISMO #0618: Zerolift \| UPREV \| F.I. \| Greddy \| Competition Clutch \| Injector Dynamics \| Aeromotive \| Pioneer \| JL

07-26-2011, 07:15 PM	#14 (permalink)
zzdudaka Base Member Join Date: Oct 2010 Location: South Carolina Age: 49 Posts: 130 Drives: 40th AnniverZary 370 Rep Power: 15	Interested to know if it can be adjusted to engage mid pedal instead of up top. __________________ Happy Z Motoring! zzdudaka 2010 40th Anniversary 370Z #357

07-24-2020, 04:31 AM	#15 (permalink)
Girald Base Member Join Date: Jun 2017 Location: Denver Posts: 135 Drives: 15' 370z SpTech 6MT Rep Power: 3363	Thx for the pics... I love my OSG/GT its a must if if dropping a TT in the car. Of course i blew the block (oops) so now im swapping... pics help BTW: this clutch is excellent if you want an OEM feel.. I have had no complaints running this clutch whatsoever. (out of sight out of mind type of operation - a bit jingly fully engaged though) __________________ AAM tt'ed // Soon: Moving back to the East Coast Last edited by Girald; 08-02-2020 at 10:22 AM.

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