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Max TQ on Exedy Twin HD

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Old Apr 1, 2010 | 06:58 PM
  #46  
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From: Locally
Originally Posted by Stevo IX
Now when you guys say that the only difference between the twin and triple is the chatter, which one has more chatter? Twin or triple? Also, can i just put a triple into my stock ix tranny without modding the tranny in any way? sorry if these are noob questions, im just in the same boat, trying to decide between twin or triple. Thanks
The trip has so much more chatter than the twin that to me it was a deal breaker for daily use.

I had a twin, upgraded and bought a triple, then sold and got a twin again. (All in a 6 month period)

The triple was soft as butter for shifting and pulling out was not all that bad, the twin to me feels heavier.

The triple chattered on engagement, disengagement, and deceleration. It ALWAYS made some sort of noise.

I had a stock trans with both setups, one make a lot more HP than the other and several months later no issues.


hopefully that helps.

the trip has 1 big plate and 2 skinny ones. extra ceramic to bounce off each other.
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Old Apr 2, 2010 | 10:44 PM
  #47  
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Hmm yeah thats what i figured. I dont think i have a choice any way. I was told that i need a triple for my setup. Ill just have to live with the noise. Are there any other good clutches for daily driving?
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Old Apr 20, 2010 | 11:31 PM
  #48  
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Out of all the people in here hardly any of them have drag raced the clutch which proves for poor feedback...

There has to be more drag racers rocking twins close to or near the tq limit.
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Old Apr 21, 2010 | 01:01 AM
  #49  
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has anyone thought about modifying the exedy twin clutch?
upgrading the clamping pressure and fitting different friction material for more power and torque handling?
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Old Apr 21, 2010 | 06:54 AM
  #50  
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From: VaBeach, VA
Originally Posted by project_skyline
Out of all the people in here hardly any of them have drag raced the clutch which proves for poor feedback...

There has to be more drag racers rocking twins close to or near the tq limit.
First off the twin is not made to last at the track. You will burn the clutch out! That is why most people don't drag on the Exedy Twin.

Originally Posted by RSMike
has anyone thought about modifying the exedy twin clutch?
upgrading the clamping pressure and fitting different friction material for more power and torque handling?
I just upgraded mine to the Triple

Mikey
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Old Apr 21, 2010 | 05:11 PM
  #51  
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From: Colorado
Originally Posted by BLKCarbonEVO
First off the twin is not made to last at the track. You will burn the clutch out! That is why most people don't drag on the Exedy Twin.



I just upgraded mine to the Triple

Mikey
Thats retarded. Your telling me that if your going to drag race might as well just get a triple? The only difference is holding power. If your under it why the hell wouldn't it last just as long as a triple.
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Old Apr 21, 2010 | 05:36 PM
  #52  
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From: VaBeach, VA
Originally Posted by project_skyline
Thats retarded. Your telling me that if your going to drag race might as well just get a triple? The only difference is holding power. If your under it why the hell wouldn't it last just as long as a triple.
O it will last longer than a triple daily driving. But it won't last more than 30-40ish passes at the track. The two plates just get to hot and it destroys the clutch. If you plan on drag racing you have to get a triple or a different clutch, period. Sorry for your luck

Mikey
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Old Apr 21, 2010 | 06:25 PM
  #53  
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Just to chime in, I've been dragging my twin since last season. It's holding strong so far. This is with 30 lbs boost daily .......street, strip and highway pulls. We'll see how long it lasts.

As far as chatter, my twin has never been quiet....lol It was noisy from day one
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Old Apr 21, 2010 | 06:28 PM
  #54  
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From: lakeland,fl
has anyone tried the competition twin?
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Old Apr 21, 2010 | 07:09 PM
  #55  
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i did 440 on br's mustang dyno.. and it held fine there.. street with NTLS, and all the rolls and launches ive done so far..
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Old Apr 21, 2010 | 09:27 PM
  #56  
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From: Colorado
Originally Posted by BLKCarbonEVO
O it will last longer than a triple daily driving. But it won't last more than 30-40ish passes at the track. The two plates just get to hot and it destroys the clutch. If you plan on drag racing you have to get a triple or a different clutch, period. Sorry for your luck

Mikey
Unless your hot lapping it whats the difference between 30 passes or 100 passes with plenty of cool down?

I'm sorry but I find it hard to except that's the fact about twins.

There is a local guy here who has 30k+ miles on his twin and over 200 claimed launches. Right now I'd say he is at about 411 flywheel TQ give or take some.
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Old Apr 21, 2010 | 09:35 PM
  #57  
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From: VaBeach, VA
Originally Posted by project_skyline
Unless your hot lapping it whats the difference between 30 passes or 100 passes with plenty of cool down?

I'm sorry but I find it hard to except that's the fact about twins.

There is a local guy here who has 30k+ miles on his twin and over 200 claimed launches. Right now I'd say he is at about 411 flywheel TQ give or take some.
That is almost stock tq. Almost anything will hold that. Most of us guys on the forums have around 400wtq and a lot of us have more. It is advised that anyone over 400wtq shouldn't use an Exedy Twin. If you want, knock yourself out. I would never tell anyone that plans to track their car to get the twin.

Mikey
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Old Apr 21, 2010 | 11:07 PM
  #58  
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From: Teh internets.
Welllllll, I have the HD Twin sitting downstairs on top of my Sheptrans box. I have some thinking to do before I get to installing everything. Do I chance it with the twin hd, or just go for the SR Triple disc? Keep in mind Im doing a Red and will be at 32+ psi, goals are to break into the 10's and trap around 130.

I think the SR Triple would be overkill, but upgrading the Twin HD to a triple would have the benefit of using the Twin HD's pressure plate, which has less clamping force than the SR Triple disc's pressure plate.

So for example, and this isnt smack on data, but just to show what I mean...the Twin HD holds 450 lb/ft, the SR Triple holds 570 lb/ft, and a Twin HD upgraded to a Triple disc would effectively hold somewhere around 500lb/ft due to the extra disc in the system but still on the Twin HD's pressure plate.

So that seems like a nice middle man. Which is almost why I want to put my twin HD for shats and giggles, see what happens, and then upgrade if I have to.
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Old Apr 22, 2010 | 01:54 AM
  #59  
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From: Colorado
Originally Posted by BLKCarbonEVO
That is almost stock tq. Almost anything will hold that. Most of us guys on the forums have around 400wtq and a lot of us have more. It is advised that anyone over 400wtq shouldn't use an Exedy Twin. If you want, knock yourself out. I would never tell anyone that plans to track their car to get the twin.

Mikey
Altitude buddy. We don't make the numbers that you guys do... Do I need a big sign that says that.

Where do you figured 411tq is almost stock level? Last I checked stock is about 300 or less at SEA LEVEL.

Most people are saying 400tq MD which is probably closer to 460 DJ tq anyway.
Ya that's is probably the limit but not everyone is making that much.

Emery said twins start slipping at 130mph... up here that's into the 10's.

I've already made my mind, and I'll go with the twin right now. Upgrade later... When I've put 100 passes on it, I will be sure to rub it in your face. Your problem is you generalize that everyone is 400wtq so the twin is automatically not right for them. So when people like me ask questions you just tell them to not do it rather then ask what power they are making. Then when people skim through this they just assume the twin won't work for them.
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Old Apr 22, 2010 | 11:37 AM
  #60  
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Originally Posted by project_skyline
Unless your hot lapping it whats the difference between 30 passes or 100 passes with plenty of cool down?

I'm sorry but I find it hard to except that's the fact about twins.

There is a local guy here who has 30k+ miles on his twin and over 200 claimed launches. Right now I'd say he is at about 411 flywheel TQ give or take some.
Out of curosity, how long do you guys think it takes for the discs to "cool" I'd imagine a couple minutes and it'd be fine.
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