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Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   ATS twin plate vs Os giken twin disk (http://www.the370z.com/engine-drivetrain/123488-ats-twin-plate-vs-os-giken-twin-disk.html)

Elmo370z 08-30-2017 05:45 PM
ATS twin plate vs Os giken twin disk
 
Which one? Going back and fourth.
*ATS twin disk*

Rusty 08-30-2017 09:23 PM
OS Giken.

Elmo370z 08-30-2017 09:48 PM
That's what I'm leaning towards, any reasons why over the ATS?

Rusty 08-30-2017 10:09 PM
Quote:
Originally Posted by Elmo370z (Post 3689565)
That's what I'm leaning towards, any reasons why over the ATS?
Never heard anything bad about the OS. Never heard much about anything on the ATS. Good, bad, or in between. I'm leaning toward the OS when I need to replace mine.

Elmo370z 08-30-2017 10:31 PM
Quote:
Originally Posted by Rusty (Post 3689575)
Never heard anything bad about the OS. Never heard much about anything on the ATS. Good, bad, or in between. I'm leaning toward the OS when I need to replace mine.
The triple plate clutches are the same price as the os twin plate

Rusty 08-30-2017 11:04 PM
The twin disc Grand Touring. Soft or hard cover. Haven't decided yet.

Elmo370z 08-30-2017 11:25 PM
Quote:
Originally Posted by Rusty (Post 3689583)
The twin disc Grand Touring. Soft or hard cover. Haven't decided yet.
Me either. So excited I get to go to MaMotorsports next week to blow money and talk about my clutch set up for my turbo kit

Rusty 08-30-2017 11:36 PM
Quote:
Originally Posted by Elmo370z (Post 3689585)
Me either. So excited I get to go to MaMotorsports next week to blow money and talk about my clutch set up for my turbo kit
If I go there. I'll be filing for bankruptcy. They're only about 4 hrs from me too.
Daelen a good guy to talk to.

Optimiser 08-31-2017 01:19 AM
Quote:
Originally Posted by Elmo370z (Post 3689487)
Which one? Going back and fourth.
*ATS twin disk*
I have had the OS Giken twin plate Grand Touring with soft cover for a couple of years now. A very good and well engineered, premium piece of kit. :driving:

Elmo370z 08-31-2017 01:51 AM
Quote:
Originally Posted by Rusty (Post 3689587)
If I go there. I'll be filing for bankruptcy. They're only about 4 hrs from me too.
Daelen a good guy to talk to.
It's ok. Time heals everything. Jesus will be by your side :roflpuke2:

Elmo370z 08-31-2017 01:52 AM
Quote:
Originally Posted by Optimiser (Post 3689594)
I have had the OS Giken twin plate Grand Touring with soft cover for a couple of years now. A very good and well engineered, premium piece of kit. :driving:
Cheers. Yeah my buddy runs a OS and loves it. Haven't heard anything bad about the unit

Rusty 08-31-2017 12:37 PM
Quote:
Originally Posted by Elmo370z (Post 3689595)
It's ok. Time heals everything. Jesus will be by your side :roflpuke2:
You buy my motorhome. Then I wouldn't have to file bankruptcy if I visit them.

Rusty 08-31-2017 12:38 PM
Quote:
Originally Posted by Optimiser (Post 3689594)
I have had the OS Giken twin plate Grand Touring with soft cover for a couple of years now. A very good and well engineered, premium piece of kit. :driving:
What's the difference between the hard and soft cover?

Elmo370z 08-31-2017 02:09 PM
Quote:
Originally Posted by Rusty (Post 3689712)
You buy my motorhome. Then I wouldn't have to file bankruptcy if I visit them.
I have no money. You're the one building a race, has a motor home, owns a ten story house. I'm over living under a cardboard box and eating can chicken noodle soup

AlWakRa 08-31-2017 02:30 PM
Quote:
Originally Posted by Rusty (Post 3689583)
The twin disc Grand Touring. Soft or hard cover. Haven't decided yet.
I will be going for OS giken GT single hard cover, it will be an option if you don't want to boost your car. I don't want to go through the on/off feel of twin plates.

Rusty 08-31-2017 03:34 PM
Quote:
Originally Posted by Elmo370z (Post 3689743)
I have no money. You're the one building a race, has a motor home, owns a ten story house. I'm over living under a cardboard box and eating can chicken noodle soup
I'm retired and on fixed income. :icon23: :rofl2:

Rusty 08-31-2017 03:44 PM
Quote:
Originally Posted by phunk (Post 3689759)
I have owned both. I liked my twin carbon ATS/Carbonetics better than my twin OSG. When at typical operating temps, it drove like a stock clutch. When you heated it up, it got grabby like a racing clutch. Downside to carbon is that if you failed to warm it up before racing (high power application), it might slip under full power. So when it mattered, I would warm it up first. If I had the triple carbon rather than twin, it most likely would have held the power without having to heat it up first. It seemed like I was right on the edge of what the twin could do at normal operating temps.

My experience with a twin OSG in my own car, and a triple in a friends car. Great quality and longevity. But as for drive-ability on the street... Well you wont have to ever worry about hiding your keys... the average driver will not be able to make it out of the driveway with that clutch. It wasnt even tolerable (for street/daily use) before adding the adjustable fulcrum pedal from RJM. Even then with years of daily experience driving it, I would still stall it every few days. That is a racing clutch, and it drives like one.
The OS sounds like some of the set-ups I had when I had in my Trans-Am, and 440 Dart. Left leg was bigger then the right leg. :icon14:

phunk 08-31-2017 03:48 PM
The pedal effort of the OSG is no problem at all, its similar to a stock clutch. Its the resolution of control you get within the swing of the pedal that makes it difficult to drive. Fully engaged and fully released feels like its about 1/4" apart. I am sure its more, but thats how it feels. To push the clutch pedal enough to feel any hydraulic resistance at all, and you are pretty much disengaged at that point.

This is just my experience, and its possible that different slave cylinder arrangements could drive much differently (should their displacement and travel ratio be different than mine was).

Elmo370z 08-31-2017 05:21 PM
Quote:
Originally Posted by phunk (Post 3689759)
I have owned both. I liked my twin carbon ATS/Carbonetics better than my twin OSG. When at typical operating temps, it drove like a stock clutch. When you heated it up, it got grabby like a racing clutch. Downside to carbon is that if you failed to warm it up before racing (high power application), it might slip under full power. So when it mattered, I would warm it up first. If I had the triple carbon rather than twin, it most likely would have held the power without having to heat it up first. It seemed like I was right on the edge of what the twin could do at normal operating temps.

My experience with a twin OSG in my own car, and a triple in a friends car. Great quality and longevity. But as for drive-ability on the street... Well you wont have to ever worry about hiding your keys... the average driver will not be able to make it out of the driveway with that clutch. It wasnt even tolerable (for street/daily use) before adding the adjustable fulcrum pedal from RJM. Even then with years of daily experience driving it, I would still stall it every few days. That is a racing clutch, and it drives like one.
Thank you. The answer I was looking for. Fuel rails whenever you get a batch :tiphat:

phunk 08-31-2017 05:32 PM
Quote:
Originally Posted by Elmo370z (Post 3689790)
Thank you. The answer I was looking for. Fuel rails whenever you get a batch :tiphat:
Cutting as I type this! They will be done by Monday then off for anodizing next week.

Optimiser 08-31-2017 06:17 PM
Quote:
Originally Posted by AlWakRa (Post 3689748)
I will be going for OS giken GT single hard cover, it will be an option if you don't want to boost your car. I don't want to go through the on/off feel of twin plates.
I haven't noticed any particular "on/off" feel of the twin plate that you mention. It's obviously firmer to depress the clutch pedal, but other than that it feels like using a "normal" clutch to me.

Optimiser 08-31-2017 06:25 PM
Quote:
Originally Posted by Rusty (Post 3689713)
What's the difference between the hard and soft cover?
The soft cover gives less clamping force than the hard cover, but I have no issues with any slippage using the soft cover with twin plate with a supercharged 450WHP. With the soft cover it's not as hard to depress the clutch pedal as it would be with the hard cover, that's the reason I went with a soft cover. I had no issues with it on the track either.

Optimiser 08-31-2017 06:40 PM
Quote:
Originally Posted by phunk (Post 3689759)
I have owned both. I liked my twin carbon ATS/Carbonetics better than my twin OSG. When at typical operating temps, it drove like a stock clutch. When you heated it up, it got grabby like a racing clutch. Downside to carbon is that if you failed to warm it up before racing (high power application), it might slip under full power. So when it mattered, I would warm it up first. If I had the triple carbon rather than twin, it most likely would have held the power without having to heat it up first. It seemed like I was right on the edge of what the twin could do at normal operating temps.

My experience with a twin OSG in my own car, and a triple in a friends car. Great quality and longevity. But as for drive-ability on the street... Well you wont have to ever worry about hiding your keys... the average driver will not be able to make it out of the driveway with that clutch. It wasnt even tolerable (for street/daily use) before adding the adjustable fulcrum pedal from RJM. Even then with years of daily experience driving it, I would still stall it every few days. That is a racing clutch, and it drives like one.
I have no issues using the OSG twin plate/soft cover as a daily driver. I have stock clutch pedal and the Z Speed concentric slave cylinder.

Elmo370z 08-31-2017 08:47 PM
Quote:
Originally Posted by phunk (Post 3689793)
Cutting as I type this! They will be done by Monday then off for anodizing next week.
Sign me up

Juan@Fontana 09-01-2017 11:38 AM
we have installed many of both, i can say 100% OSGiken is the better made unit. drives better, feels better & manufacturing quality looks better.

AlWakRa 09-01-2017 06:00 PM
Quote:
Originally Posted by Optimiser (Post 3689814)
I haven't noticed any particular "on/off" feel of the twin plate that you mention. It's obviously firmer to depress the clutch pedal, but other than that it feels like using a "normal" clutch to me.
Maybe the GT in particular would be an exception. I have many who told me any multi plate clutch will be on/off. If I can find a car locally with GT soft cover to try I would reconsider going twin plate instead, but most people around here (over 7k miles away) don't know what brand they are using or which model :confused: if the have aftermarket clutch

And sorry Elmo for hijacking the thread

phunk 09-01-2017 08:35 PM
A multiplate clutch doesnt mean it has to be an on/off feeling clutch. Each one can have its own characteristics.

As for the OSG appearing nicer quality than the ATS... Its been some years since I looked at my ATS and never held them side by side. But that clutch lasted me over 5 years before it started slipping, so I wouldnt worry too much about how pretty it looks inside the bell housing.

Quicksilvers 09-01-2017 10:26 PM
I already seen the ATS twin disk clutch is able to handle plenty of whp and street and track abuse. How much power do you plan on putting down op?

Spooler 09-01-2017 10:31 PM
Multi disk clutches always sound like a dang tractor at idle.

Elmo370z 09-02-2017 02:20 AM
Quote:
Originally Posted by phunk (Post 3690089)
A multiplate clutch doesnt mean it has to be an on/off feeling clutch. Each one can have its own characteristics.

As for the OSG appearing nicer quality than the ATS... Its been some years since I looked at my ATS and never held them side by side. But that clutch lasted me over 5 years before it started slipping, so I wouldnt worry too much about how pretty it looks inside the bell housing.

Im surprised to see people in this thread that are happy with the way the OSG drives. I guess to each their own. Everyone that drove my car hated it, and only a few of them were even really successful at it. Perhaps there is a different model than mine and my friends that drives nicer.
I agree my buddy has a twin OSG, when i drove it around the parking lot i was like WTF lol

Elmo370z 09-02-2017 02:21 AM
Quote:
Originally Posted by Quicksilvers (Post 3690106)
I already seen the ATS twin disk clutch is able to handle plenty of whp and street and track abuse. How much power do you plan on putting down op?
750 plus

BGTV8 09-02-2017 06:46 AM
Quote:
Originally Posted by phunk (Post 3690089)
A multiplate clutch doesnt mean it has to be an on/off feeling clutch. Each one can have its own characteristics.

As for the OSG appearing nicer quality than the ATS... Its been some years since I looked at my ATS and never held them side by side. But that clutch lasted me over 5 years before it started slipping, so I wouldnt worry too much about how pretty it looks inside the bell housing.

Im surprised to see people in this thread that are happy with the way the OSG drives. I guess to each their own. Everyone that drove my car hated it, and only a few of them were even really successful at it. Perhaps there is a different model than mine and my friends that drives nicer.
There are sprung and unsprung centres which is usually the difference.

I have a solid centre twin plate in my car and it is like an on/off switch.

I don't have a problem but some in the family who drive it do.

Optimiser 09-03-2017 02:30 AM
Quote:
Originally Posted by Spooler (Post 3690108)
Multi disk clutches always sound like a dang tractor at idle.
Lol! Yes it does rattle a little bit at idle in neutral but nothing much really.

/Angelo350Z/ 09-03-2017 02:36 AM
^^ Perhaps it's the lightened flywheel you gentlemen hear.

phunk 09-03-2017 11:21 AM
Quote:
Originally Posted by /Angelo350Z/ (Post 3690347)
^^ Perhaps it's the lightened flywheel you gentlemen hear.
At idle in neutral that's what the cause of noise is. But when you have the pedal down to release the clutch they also make a lot noise as the multiple components rattle together.

Elmo370z 09-03-2017 01:29 PM
I want rattle

Rusty 09-03-2017 02:05 PM
Quote:
Originally Posted by Elmo370z (Post 3690404)
I want rattle
racecar! :driving:

badthing 04-15-2018 11:29 PM
I have the OS Giken Twin Plate with Hard Cover installed with the Z1 CSC Elimination Kit.

Pedal is noticeably firmer than OEM. The shift feel is definitely leaning more towards on/off to the point where I dread heavy traffic going uphill (especially in the rain).

I can slip the clutch in 1st gear on purpose to "try" to get a smoother takeoff but it does require a degree of concentration.

Once you get going though, you can rapidly shift gears and the clutch just bites unlike the OEM which slips like a donkey on ice.

The chatter sound at idle and low RPMs is significantly louder than stock. It almost sounds like a truck. Non-car enthusiasts would think something is broken. Lucky for me, I have a loud titanium exhaust to complement the clutch. :)

Spooler 04-18-2018 10:09 AM
Anybody used an ATS Twin Carbon disk clutch or a triple?


Phunk, any feedback would be great since the ATS you have used before. Was it a carbon disk? I am seriously considering this since
the slave get's moved outside the bell housing. The triple is freaking expensive. +4K.

phunk 04-18-2018 01:00 PM
Yes my Carbonetics clutch was a twin carbon, which should be very similar to the current ATS offering I believe.


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