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

Pedal Effort on Centerforce Dual Friction vs. Other?

Old Jul 29, 2004 | 08:25 AM
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Pedal Effort on Centerforce Dual Friction vs. Other?

I've been contemplating getting a new clutch to throw in when i put in a new 5spd, and then to swap over to my 13b and then turbo 13b later on (within the year hopefully), and i've heard only good things about the Centerforce DF.

My only questions are, what is the pedal effort like on the Centerforce DF vs. Stock
and what is the effort like on the Race PP, and the S/S PP that Mazdatrix sells, cause i wont drive anything with an effort less than stock, i hate light clutches.

lemee know. Thanks.

-Kurt
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Old Jul 29, 2004 | 11:08 AM
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Centerforce clutches are weighted, and at high RPM's can actually cause the clutch to disengage and not reengage untill rpms are brought back low enough that the counterweights are being thrown about...never seen it (my trans am redlined at6k) but ive heard of it happening...and that would suck bad on the strip
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Old Jul 29, 2004 | 11:35 AM
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Ive never had that happen on mine and its been to 7k. Overall good clutch, its decently light to disengage. Ive liked it alot.
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Old Jul 29, 2004 | 11:59 AM
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Clutch pedal effort is marginally higher than stock....never had any problems with mine and it's been to 8300 rpm a lot more than once....
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Old Jul 29, 2004 | 12:53 PM
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Pedal effort seems same as stock. If you have turbo plans don't get it. My clutch slips at rpms higher than 5500. My next clutch will be ACT.
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Old Jul 29, 2004 | 01:20 PM
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Originally Posted by SAtwentytooslow
Centerforce clutches are weighted, and at high RPM's can actually cause the clutch to disengage and not reengage untill rpms are brought back low enough that the counterweights are being thrown about...never seen it (my trans am redlined at6k) but ive heard of it happening...and that would suck bad on the strip
More dis-information spread by people who have no first hand experience. I had a CF DF clutch on my 2G Non-turbo which used to compete in Autocross Street Prepared class. I had absolutely no problems with the clutch. I've since sold the car to Poor College Student on this forum and he's still going on that clutch after 40 or 50K miles.

Pedal effort is just like stock, the actual clamping force of the pressure plate fingers is probably the same as stock, but the weights are what gives it the extra clamping force. When I first got it installed and broken in, I played around with the clutch engagement at like 6.5K rpm and the clutch did not slip, but my OEM replacement did when it was new.
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Old Jul 29, 2004 | 05:29 PM
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I love my CF DF. If you don't like light clutches then you don't want one. I think that the pedal effort is even lighter than stock but it is close. It is a good clutch and I am happy with it.
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Old Jul 29, 2004 | 06:01 PM
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My brother in law had a centerforce in his 88 corolla gts and it didnt last but a year in it from driving kinda hard. He doesnt ride the clutch if you were thinking thats the case. It redlines at 7200. Yes I know it was in a different car with a different driveline.

Last edited by louved_gen1; Jul 29, 2004 at 06:05 PM.
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Old Jul 29, 2004 | 09:50 PM
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How is it to install the dual friction clutch? Any difficulties compared to a stock replacement? Anything to watch for? I too am considering getting one for my project car.
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Old Jul 29, 2004 | 10:04 PM
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I love my clutch it's great. It's not really harsh, well not at all actually. It's great.
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Old Jul 29, 2004 | 11:14 PM
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Whoops. Where's the "delete" button?

Last edited by clean85owner; Jul 29, 2004 at 11:19 PM.
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Old Jul 29, 2004 | 11:43 PM
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www.southbendclutch.com

Get the DXD clutch, but tell 'em to double spring the pressure plate and a full ceramic disc instead of ceramic/kevlar. Engage is pretty smooth(much much smoother than a normal 6puck), grips awesome(over 400hp), and pedal pressure is almost no different than stock, I could barely tell a difference. It's a bit more expensive($350 shipped) but it's a ******* sweet clutch.
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