Twin Disc Opinions [Archive]

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mukapahnpy

07-20-2007, 09:43 AM

v8klla

07-20-2007, 11:06 AM

Powertrain Technology Twin Disc
Quarter Master Twin Disc
Other Brand... Exedy, HKS, etc.

Search – revealed there are a few of you who are / was running the Quarter Master Twin Disc. Powertrain Technology experience, anyone?

What are your thoughts and reflection? Would you purchase it again if you needed to? Or would you purchase another brand?

We are very happy with the QM and have used it in two 650whp+ cars. We chose it over the PTT based upon the disc material. I *believe* the QM is a ceremetallic material where the PTT is organic. The best part about the clutch is if it slips a little bit, heat it up some more and it goes away!

We are going to throw some more at it tonight and this weekend to see how well it does in excess of 709whp ;)

Chris

v8klla

07-20-2007, 11:09 AM

Also, regarding the other brands Exedy is currently redesigning the 6 bolt twin disc as they didn't hold much over 400 ft/lbs and I have heard numerous horror stories in regards to the Clutchmasters so I would stay away from those two.

Carbonetics just released a full carbon twin disc for the 6 bolt application that looks to be an awesome piece, but it is VERY expensive.

And time for a shameless plug...

We also happen to sell all of these at some very competitive pricing ;)

Chris

Enes

07-20-2007, 11:36 AM

i'm also did some research on this and saw the horror stories too..

What are some prices on them these days specificly for a fwd 7bolt

v8klla

07-20-2007, 11:41 AM

$1199.99 shipped for the QM...

Goat Blower

07-20-2007, 12:35 PM

I've got a hybrid between the QM and PTT. Basically it's a QM twin rebuilt by PTT with their discs and TOB. It works very well and feels pretty similar to an ACT 2100. The bigger slave cylinder and PTT TOB are the keys to making it streetable. It was a lot more grabby with the shorter clutch pedal throw of the stock slave cylinder. I think you'd be happy with either QM or PTT, but opinions vary. It's the best clutch I've ever had.

JET

07-20-2007, 02:18 PM

I am running the QM and am very happy with it. It is pretty grabby though, but I haven't switched over to the larger slave yet, but I will soon. It has its good and bad points. The good is that you have a nice light pedal pressure for a clutch that holds lots of power. The bad is the grabby part makes it not as streetable.

Pushit2.0

07-20-2007, 03:00 PM

What is the setup for the car, how much power, and how do you launch your car?

~John

mukapahnpy

07-20-2007, 03:51 PM

2.4l project underway...
I figure at the very least 400 hp w/ 50 trim variant...
I'm going to need a new clutch and flywheel...
So I'm just getting a feel for what locals are running.

At-Least-It's-An-Evo

07-20-2007, 04:00 PM

2.4l project underway...
I figure at the very least 400 hp w/ 50 trim variant...
I'm going to need a new clutch and flywheel...
So I'm just getting a feel for what locals are running.

I would like to be the first to say you won't need a twin disc then as there are plenty of single disc clutches that will hold that no problem.