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Twin Disc Clutch Survey


arapp
Newbie
865/2000


Galant VR-4 org Post #: 1242576 posted 05/14/18 12:51 PM     Remind Me!  Send Private Message   Edit Post      
This is just a survey so see which twin disc clutch setup you guys run/prefer on your GVR4ís.
I'm in the market for one and would like some feedback good/bad from those that are running them.

Posts: 15 | From: Riverside, CA | Member Since: 05/05/13 | IP: (47.150.21.125) | Report this post to a Moderator

slugsgomoo
god hates stupid people
461/1000


Galant VR-4 org Post #: 1242577 posted 05/14/18 01:11 PM     Remind Me!  Send Private Message   Edit Post      
I would probably run the triple exedy that magnus was selling for a while, or the gear drive quartermaster, if I were buying new now- neither option was available when I bought mine.

That said, I pulled my engine (sold the 2.0 this weekend) and looked at my clutch (PTT high torque), and I have no spline wear, and the clutch basically looks new. Never really launched on it, but some hard miles with flat shifting at 9k+ on a 67mm turbo at 26psi

I'll try to remember to take some pics when I go home.



-andrew
{witty signature}
#461 Kensington Grey - 2.0L/T67/etc
2015 Triumph Tiger 800 XCx
2014 Ford Focus ST

Posts: 3605 | From: Bremerton, WA | Member Since: 10/16/03 | IP: (216.161.254.67) | Report this post to a Moderator

mitsuturbo
Banthony
555/1000


Galant VR-4 org Post #: 1242579 posted 05/14/18 02:11 PM     Remind Me!  Send Private Message   Edit Post      
I have the 6 leg QM geardrive. I absolutely love it. It is very noisy, though.
If i were buying one again, i'd definitely, with zero doubt, go for the Quarter Master 8 leg Gear Drive twin.



92 GVR4 555/1000 11.41 @ 128.26mph
97 CBR900RR
2012 Hyundai Veloster

Posts: 3511 | From: Near Seattle, Washington | Member Since: 06/02/08 | IP: (50.47.86.44) | Report this post to a Moderator

arapp
Newbie
865/2000


Galant VR-4 org Post #: 1242581 posted 05/14/18 03:30 PM     Remind Me!  Send Private Message   Edit Post      
Thank you for the info, I see there are several Quartermaster 8 Leg twins on there I'll do more research.
Did you use their hydraulic release bearing or stick with the stock mitsu T/O bearing and fork?
Also how does the clutch pedal pressure feeling compare? Im trying to find one close to stock, my ACT2600 is beating me up.

Posts: 15 | From: Riverside, CA | Member Since: 05/05/13 | IP: (47.150.21.125) | Report this post to a Moderator

slugsgomoo
god hates stupid people
461/1000


Galant VR-4 org Post #: 1242585 posted 05/14/18 07:07 PM     Remind Me!  Send Private Message   Edit Post      
My PTT is definitely lighter than stock. I'm using the PTT throwout bearing, which uses the backing plate from the OEM TOB to install (bearing is conical, OEM is not supported with my clutch).

To make mine more driveable, I have the 2g FWD slave cylinder, and the 2g accumulator tank and it still requires practice to get comfortable with (valets will hate you )that said... I doubt I would run a twin unless I needed to- that being either high torque, or high RPM shifting. Otherwise they are a bit race-car-y to live with.

Southbend has some nice single disc options that turbowop and others have reviewed quite positively here.



-andrew
{witty signature}
#461 Kensington Grey - 2.0L/T67/etc
2015 Triumph Tiger 800 XCx
2014 Ford Focus ST

Posts: 3605 | From: Bremerton, WA | Member Since: 10/16/03 | IP: (216.161.254.67) | Report this post to a Moderator

mitsuturbo
Banthony
555/1000


Galant VR-4 org Post #: 1242596 posted 05/15/18 12:39 PM     Remind Me!  Send Private Message   Edit Post      
My QM pedal effort is about like stock (possibly lighter). Definitely nowhere near what a 2600 is.
I'm running stock TOB and a Comp clutch fork that is clearanced for the pressure plate.
A twin is definitely not for everybody. It certainly gives the car a much more "race only" feel to it. Stop and go traffic is pretty shitty. These clutches are basically on or off. There's not much in between. And slipping them isn't a great idea, since the floater will warp fairly easily, as will the pressure plate. Fortunately, individual parts to rebuild/repair these are fairly inexpensive. I paid 800 for my clutch used with great frictions, but the PP and Floater were blued and warped beyond belief. It cost me another 200 to replace the PP and floater.



92 GVR4 555/1000 11.41 @ 128.26mph
97 CBR900RR
2012 Hyundai Veloster

Posts: 3511 | From: Near Seattle, Washington | Member Since: 06/02/08 | IP: (50.47.86.44) | Report this post to a Moderator

EMX5636
Carbon Fiber Cage
108/2000


Galant VR-4 org Post #: 1242598 posted 05/15/18 06:49 PM     Remind Me!  Send Private Message   Edit Post   
I absolutely love my Exedy twin plate. But sadly, I don't think they're available anymore. I bought a spare a while back for parts in case I needed to rebuild it. I have 25-30k on it at 500~ whp.



91 #108/2000- link
97 Kawi ZX7R Street/Track
03 Kawi KLX400R Supermoto
05 CTS-V Stealth Grey
09 Hummer H3T

Posts: 1621 | From: Bucks County, PA | Member Since: 06/28/08 | IP: (2601:49:100:25a1) | Report this post to a Moderator


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