1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

New clutch suggestions

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Old Apr 14, 2004 | 04:42 PM
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New clutch suggestions

My clutch is on its way out, I give it a few weeks at best left.

Anyway I'm looking at going to a clutch with more clamping power, adn I was wondering what your experiences with various brand clutches have been.

I'm looking at a centerforce stage 2 clutch, but I read some people dont like them. This car is a daily driver as well, so I really dont want a pluck clutch. I dont mind a little more pedal pressure, but nothing crazy.

Suggestions?
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Old Apr 14, 2004 | 06:05 PM
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get a 4 puck that is sprung. no worse than a heavy duty centerforce. i know from experience.
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Old Apr 14, 2004 | 06:33 PM
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Re: New clutch suggestions

Originally posted by hornbm


This car is a daily driver as well, so I really dont want a pluck clutch. I dont mind a little more pedal pressure, but nothing crazy.

Suggestions?

A dual friction pressure plate with a clamping pressure between 2800 lbs to 3500 lbs will do it. Anything above 3500 will be TOO STIFF imho. AND no, this is something you will not get from "OFF THE SHELF" items as they come in pre-set levels such as soft, medium and hard (ie. stage 1, 2, 3). And again, you can use any type of disk (organic, kevlar, puck).
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Old Apr 14, 2004 | 06:43 PM
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centerforce is supposed give a much lighter pedal feel though. Centerforce says stage 1 feels just like stock, but has 30% more clamping force. Stage two, they dont say, but it has 60% more clamping force than stock. I cant imagine the pedal feel is much worse than the stage 1.

So a 4 pluck sprung is ok for daily driving?

How about racing beat S/S clutches? They're priced about the same as the centerforce ones. Anybody here tried act?

I wish I could feel some of these out before I cough up the dough for one.
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Old Apr 14, 2004 | 07:32 PM
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I like the stock disc with a S/S presure plate.
If I had a turbo I would go more, but it works great and feels fine.
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Old Apr 14, 2004 | 07:57 PM
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4-puck = non-slip.
6-puck = slight slip but much much better than the usual clutch disk (S/S or kevlar).

RB sells the S/S with ferodo linings. I have used the S/S and centerforce. OK for street use but, after multiple runs and hard launches at the track, it tends to slip. I have been using puck clutches (4 in the RX-3 and 6 in the RX-7) for over 5 years with no problem. Several of close friends have borrowed my cars. They hated the slight stiffness in clutch pedal (3500 lbs pressure plate) but loves the engagement.

Last edited by Siraniko; Apr 14, 2004 at 08:00 PM.
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Old Apr 14, 2004 | 07:59 PM
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I've got a fairly heavy clutch, it feels normal to me now, except when I try drive my mum's 6 speed ford focus. I almost put my foot threw the floor. :P Its a good work out for the calf muscles Don't be scared of the weight. When your able to dump the clutch and have instant bite the heaviness is not an issue
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Old Apr 14, 2004 | 08:14 PM
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well my clutch pedal is WAY stiffer than most new cars. How about you guys with stock clutches? They feel like modern cars?

But you guys really think a 6 pluck would work for the street, and daily driving? How long do they last compaired to normal clutches?

I'd think you would want some slip on a daily driver, especially around here where it rains all the time.
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Old Apr 14, 2004 | 08:34 PM
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i have a act stage 2 in my se i used to have a clucth masters stage 1 but burnt that one up the act has been awesome
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Old Apr 14, 2004 | 08:52 PM
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i had a dual friction and it was SIGNIFIGANTLY heaver than stock. i did get used to it tho.
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Old Apr 14, 2004 | 08:55 PM
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i got a centerforce stage 2 clutch, very light pedal, but very nice. I would reccomend it
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Old May 15, 2004 | 04:09 PM
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Quarter Master multiple plate

http://www.stockcarproducts.com/clutch1.htm

Who has adapted to a Quarter Master clutch?
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Old May 15, 2004 | 06:36 PM
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There simply is no substitute for a CenterForce Dual Friction set-up. Do the search and read up...
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Old May 15, 2004 | 07:07 PM
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Originally posted by hornbm
well my clutch pedal is WAY stiffer than most new cars. How about you guys with stock clutches? They feel like modern cars?

But you guys really think a 6 pluck would work for the street, and daily driving? How long do they last compaired to normal clutches?
When I get into a modern car my left foot thuds to the floor like the pedal broke.

Puck clutches are not a good idea for the street. They generally use metal friction material, and that stuff will wear your flywheel/pressure plate faster than it wears. And they do not like being slipped - it is possible (but tricky) to drive them smoothly but it's physically bad for the clutch.

Plus, it's been fairly proven that puck clutches kill N/A trannies....

My vote is to go with a stock clutch. It's good 'nuff, and you want the clutch to be the weakest link in the drivetrain. Better the clutch than the transmission or the U-joints. If you need more holdage, and you are using a 225mm setup, try using the clutch from an FC. But, it's not a good idea to go overboard on the clutch.
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Old May 15, 2004 | 11:34 PM
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The later FBs and the FCs use the same clutch, don't they?
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Old May 16, 2004 | 03:26 PM
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The same size. However the friction material and the clamping load are different.

At least, the S4 pressure plate I have in now is noticeably stiffer than a S3/late S2 plate.
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Old Jun 4, 2004 | 11:08 PM
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Originally posted by mar3
There simply is no substitute for a CenterForce Dual Friction set-up. Do the search and read up...
I'm shoping for a clutch now. I saw this old thread and was interested in what everyone was using. Mazdacomp has this clutch setup at a fairly good price.

My only concern is that this stronger clutch will put more stress on my trans and rear end. This car is always above 5000 rpm and I usually shift between 7-8000 rpm.

I do have a stock (borg-warner) clutch disk in my parts bin. I'm tempted to just go buy a stock presure plate.

Are any of you using the stock setup for racing?
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Old Jun 4, 2004 | 11:25 PM
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Id say go with the Centerforce Stage 2 Clutch, they are amazing... and i kno from experience if ya kno what i mean
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Old Jun 5, 2004 | 02:20 PM
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I have a Centerforce Stage I with a stock disc. My car is a GSL-SE that is stock except for a 16# flywheel. I've had this clutch for 3 years.

Hornbm, I totally agree... a puck disc is not a wise choice for this application. And Centerforce is correct, there is no increase in pedal pressure with this clutch, and the clutch engagement is smooth just like a stock clutch, and that is exactly what is needed for the stop-and-go traffic here in Seattle. But when the situation calls for it, I like to launch hard and keep my foot in it, and this clutch does not slip (at this horsepower), and the result is beautiful..
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Old Jun 5, 2004 | 05:07 PM
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Centerforce Dual Friction. I just had my clutch replaced, and I used this clutch. Got it thourgh Atkins. But my pedal is no heavier, and it grabs harder than the previous clutch, but not uncomfortably so. Im really happy with it.
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Old Jun 5, 2004 | 05:24 PM
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I just got my 6 puck clutch in, I can't wait to finally have a good clutch, mine just slips now. Pretty bad, I can't even accelerate at full power I accelerate slowly.
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