Drivetrain (Cooper S) MINI Cooper S (R53) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain Stock S clutch torque capacity?

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Old Mar 2, 2005 | 03:42 PM
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Stock S clutch torque capacity?

Does anyone have the answer to this question? Much appreciated
 
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Old Mar 2, 2005 | 04:57 PM
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Old Mar 2, 2005 | 05:14 PM
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check those boys in DFW

the trackers and hackers at www.metroplexmini.org might throw you a bone, check them out. I wont know till I throw mine out
 
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Old Mar 2, 2005 | 05:16 PM
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Originally Posted by leon's rocket car
the trackers and hackers at www.metroplexmini.org might throw you a bone, check them out. I wont know till I throw mine out
Ya lost me there Leon
 
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Old Mar 2, 2005 | 05:19 PM
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Texas speak

sorry, must be my Texas accent. The guys/gals at www.metroplexmini.org might have an answer for you. I checked out my bentley, but they don't have that info and I don't know. just helping out where I can...stay warm.

otherwise I will ask my mechanic tomorrow morning.
 

Last edited by leon's rocket car; Mar 2, 2005 at 05:20 PM. Reason: How y'all doin?
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Old Mar 3, 2005 | 07:06 PM
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Anything new Leon? Anyone?
 
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Old Mar 3, 2005 | 07:14 PM
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I also would like to know the torque capacity also.
You know why Sid!
 
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Old Mar 3, 2005 | 07:19 PM
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According to both M7 and our currently-absent El Diabolito, the stock clutch disk can handle upwards of 300cHP. Now, a high strength pressure plate (Like the M7 pressure plate, contact me for details) is recommended at that horsepower to keep it all together. While you have the whole transmission down, you might as well do a flywheel and LSD it'll really save on the labor!

Cheers,
Ryan
 
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Old Mar 3, 2005 | 08:19 PM
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Originally Posted by Ryephile
(Like the M7 pressure plate, contact me for details)
Are you a reseller for M7 now? I noticed that your title is now Vendor not Moderator.
 
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Old Mar 3, 2005 | 09:46 PM
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Yes Andy. You're a few days behind the curve.

Announcement #1

Announcement #2
 
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Old Mar 4, 2005 | 04:00 AM
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Originally Posted by MSFITOY
Anything new Leon? Anyone?
nothing I could find in the bentley manual give any clue.
 
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Old Mar 4, 2005 | 07:27 AM
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I'm more interested in the "STOCK" numbers in torque, not hp. I will explain why later.
 
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Old Mar 4, 2005 | 07:36 AM
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I'm not sure you'll ever get numbers from a stock plate - other than "I use it and I have X torque and it holds".

By the way, my mistake; torque is of course the main specification for clutches, no need to explain. I should restate; according to El Diablolito's recent dyno's, he's using the stock clutch plate with 260ish wheel Lb-Ft.

 
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Old Mar 4, 2005 | 10:39 AM
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Originally Posted by Ryephile
I'm not sure you'll ever get numbers from a stock plate - other than "I use it and I have X torque and it holds".

By the way, my mistake; torque is of course the main specification for clutches, no need to explain. I should restate; according to El Diablolito's recent dyno's, he's using the stock clutch plate with 260ish wheel Lb-Ft.

Thanks Ryan. I know his M7 pressure plate is what's keeping it together. I think the standard PP is too week to hold anything over 220, hence my question. The Spec clutches are rated at:

Stage 1--235 lb/ft
Stage 2--280
3--315
4--315
5--490

Stage 3 sound about right without having a trigger clutch. Anyone experienced with Spec clutches?
 
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Old Mar 4, 2005 | 11:13 AM
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From the few posts I've read about Spec clutches, the stage 3 is the highest you'd want to use on the street. The clutch slip is reduced enough so driving in traffic jams with the stage 3 isn't a pleasent experience.
 
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Old Mar 8, 2005 | 11:23 AM
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I take it back...Stage 2 Kevlar is probably the better choice for the street...


(edit) Learned more about Spec clutches. Stage 3's puck style, while providing stronger clamping, will not last long under normal street driving requiring routine slippage. Stage 2, on the other hand, has high longevity due to it's Kevlar construction while providing close to standard clutch engagement "feel".
 
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