Quartermaster Twin Disc from Devo Tuning
Jun 21, 2008, 06:59 AM
#16
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this clutch does own all.
due to the hydraulic throw-out bearing, it has a similar feel to stock, much lighter feel than an exedy or act
answered in bold italics
due to the hydraulic throw-out bearing, it has a similar feel to stock, much lighter feel than an exedy or act
I've only ever run Exedy clutches... have recently ordered a kit to rebuild my twin to a triple. But I'm curious what are the benefits of the Quartermaster?
lighter mass ( I believe 17lbs total with flywheel) easy recovery on bogged launches, less strain on drivetrain
hydraulic throw-out bearing (lighter clutch pedal)
changes clutch to pushtype, no more clips falling out
Will it allow you to slip the clutch easier on a launch?
yes
Does it shift better? I never had problems shifting an Exedy but maybe this one is that little bit smoother?
it shifter butter smooth and ultra fast with no lock outs
How much torque is it rated to hold?
I have seen this clutch on a few 8 and 9 sec evo's and talons (I assume they make 500-650tq)
How would an Exedy Triple metal clutch compare to this do you think?
Quartermaster > Exedy Triple metal
I can't understand the OP stalling so much. Is this clutch very hard to slip? If so, would that not mean it's hard to slip for a launch?
it is a little hard to get used to at first, once you do, its much easier
its actually very consistant and easy to launch at the track
Anyway I don't mean to be negative about this clutch, I'm just trying to ask some hard questions to get a sense of what to expect if I ever went this route down the road.
lighter mass ( I believe 17lbs total with flywheel) easy recovery on bogged launches, less strain on drivetrain
hydraulic throw-out bearing (lighter clutch pedal)
changes clutch to pushtype, no more clips falling out
Will it allow you to slip the clutch easier on a launch?
yes
Does it shift better? I never had problems shifting an Exedy but maybe this one is that little bit smoother?
it shifter butter smooth and ultra fast with no lock outs
How much torque is it rated to hold?
I have seen this clutch on a few 8 and 9 sec evo's and talons (I assume they make 500-650tq)
How would an Exedy Triple metal clutch compare to this do you think?
Quartermaster > Exedy Triple metal
I can't understand the OP stalling so much. Is this clutch very hard to slip? If so, would that not mean it's hard to slip for a launch?
it is a little hard to get used to at first, once you do, its much easier
its actually very consistant and easy to launch at the track
Anyway I don't mean to be negative about this clutch, I'm just trying to ask some hard questions to get a sense of what to expect if I ever went this route down the road.
Last edited by 1slowevo; Jun 21, 2008 at 07:02 AM.
Jun 21, 2008, 08:59 AM
#17
I've only ever run Exedy clutches... have recently ordered a kit to rebuild my twin to a triple. But I'm curious what are the benefits of the Quartermaster?
Will it allow you to slip the clutch easier on a launch?
Does it shift better? I never had problems shifting an Exedy but maybe this one is that little bit smoother?
How much torque is it rated to hold?
How would an Exedy Triple metal clutch compare to this do you think?
I can't understand the OP stalling so much. Is this clutch very hard to slip? If so, would that not mean it's hard to slip for a launch?
Anyway I don't mean to be negative about this clutch, I'm just trying to ask some hard questions to get a sense of what to expect if I ever went this route down the road.
Will it allow you to slip the clutch easier on a launch?
Does it shift better? I never had problems shifting an Exedy but maybe this one is that little bit smoother?
How much torque is it rated to hold?
How would an Exedy Triple metal clutch compare to this do you think?
I can't understand the OP stalling so much. Is this clutch very hard to slip? If so, would that not mean it's hard to slip for a launch?
Anyway I don't mean to be negative about this clutch, I'm just trying to ask some hard questions to get a sense of what to expect if I ever went this route down the road.
As far as the other answers to your ?'s 1slowevo hit them right on the head
Matter of fact i'm gunna hop in and cruise around some more it's like driving a whole new car again after having the **** poor shifting qualities of the last clutch
Jun 21, 2008, 09:21 AM
#18
Thanks for the answers guys.
I'm not too sure what to think. It just seems odd to me Bushur and AMS don't sell this clutch. I think clutches are very subjective.
1slowevo, have you ever owned an Exedy Twin or Triple and what power were you making?
I'm not too sure what to think. It just seems odd to me Bushur and AMS don't sell this clutch. I think clutches are very subjective.
1slowevo, have you ever owned an Exedy Twin or Triple and what power were you making?
Jun 21, 2008, 10:37 AM
#19
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BR I believe runs the Tilton CC, similar setup to the QM as well.
I have had many different clutches, disc, twin, and I have driven both exedy twin and thriple carbon as well. I love the QM more than all the previously mentioned
As for powerwise, the car has gone through serious transformation since the beginning (much like many others on here)
VIII turbo 350hp/380tq
IX turbo 395hp/398tq
BR3065 503hp/460tq
35R built motor 600+hp/520tq (108mph 1/8mile traps)
I have gone through 2 rebuild kits, but that is due to well over 500+ launches on the car
Jun 21, 2008, 12:06 PM
#20
Thanks again for your answers! Did not mean to interrogate you but just wanted to get an idea of the type of experience behind the opinion!
I've ordered the pull -> push conversion along with the rebuild of my exedy twin to triple from AMS. So I'm hoping that having the hydraulic release bearing will help make the Exedy less grabby when trying to slip it.
I've ordered the pull -> push conversion along with the rebuild of my exedy twin to triple from AMS. So I'm hoping that having the hydraulic release bearing will help make the Exedy less grabby when trying to slip it.
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Jun 21, 2008, 04:15 PM
#23
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congrats on buying an awesome product, any clutch can be dd it just takes getting used to, I mean doing something the same way for years and then all of a sudden change just takes time.
Jun 21, 2008, 10:21 PM
#25
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you might have to change idle though after installing this clutch due to the light weight of the clutch/flywheel assembly
Aug 5, 2008, 06:34 AM
#29
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The clutch is simply bad*ss. Definitely has a "race clutch" feel during engagement in 1st gear, but all subsequent shifts can be very smooth once you get used to it. Rev matching is like night and day compared to the stock clutch. Shifting can be done much quicker and at high RPMs. People talk alot about the chatter on this clutch but I have heard alot worse. The clutch peddle pressure feels just like stock, it is extremely light, however the engagement is obviously much harsher like any twin disk will be. I put the clutch in about 3 weeks ago now, and I couldn't be happier. 
