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Old 08-10-2011, 03:40 PM   #1
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Default Very slightly used 949 twin disc ceramic clutch $850

Hardly used ( less than 8 autocross runs by me and one dyno session by webby459) 949 twin disc clutch.

http://949racing.com/miata-twin-disc-clutch.aspx
Stock photo, not actual clutch




$850 + actual shipping, list price is $1,030
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Very slightly used 949 twin disc ceramic clutch 0-949racing_725_twin_clutch.jpg  
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Old 08-10-2011, 05:44 PM   #2
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MINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINEMINE. MINE mine MIE MINE MINE
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Old 08-10-2011, 06:04 PM   #3
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I don't think he really wants it.

p.s. Great Score

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Very slightly used 949 twin disc ceramic clutch 0-nemo-seagulls%255b1%255d.jpg  

Last edited by hochkis; 08-10-2011 at 06:47 PM.
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Old 08-10-2011, 06:25 PM   #4
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I almost beat you to it, but decided to hold my chang chang.
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Old 08-15-2011, 02:28 PM   #5
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BUMP: ITEM STILL FOR SALE.

Check or USPS money order only.
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Old 08-15-2011, 02:51 PM   #6
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I'm too poor to buy it, but I plan to get one eventually.

Why did you take it out ?
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Old 08-15-2011, 02:55 PM   #7
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This clutch will increase your sex drive.
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Old 08-15-2011, 03:36 PM   #8
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Quote:
Originally Posted by Savington View Post
This clutch will increase your sex drive.
Yep tha'ts why I took it out.

I run a 5 speed in my 300+ rwhp ubercharged autocross car. For years people had been asking me how I could do that without breaking the trannys. I didn't know but was glad I didn't. I put the twin disc in and broke the first tranny after 6 runs. I had changed brands/viscosity of transmission oil at the same time and thought that might have been the issue. I installed another tranny and went back to the lightweight shock proof oil. That transmission broke on the second run.

I went back to my old clutch/flywheel setup (old FM supersized happy meal) which is a sprung hub single disc clutch, and have done about 20 runs with no issues.

I still don't fully understand why I was having an issue. The transmissions were failing just about the time I hit peak torque (~250 ft/lb) under straight line acceleration in second gear. No shift load or clutch dropping involved. the best theory I can come up with is some kind of weird harmonic being produced by my engine that gets transmitted more effectively to the transmission via the solid hubs.

Lots of people run this clutch with absolutely no problems. My mileage varied.
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Old 08-15-2011, 10:59 PM   #9
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Quote:
Originally Posted by Chris Swearingen View Post
Yep tha'ts why I took it out.

I run a 5 speed in my 300+ rwhp ubercharged autocross car. For years people had been asking me how I could do that without breaking the trannys. I didn't know but was glad I didn't. I put the twin disc in and broke the first tranny after 6 runs. I had changed brands/viscosity of transmission oil at the same time and thought that might have been the issue. I installed another tranny and went back to the lightweight shock proof oil. That transmission broke on the second run.

I went back to my old clutch/flywheel setup (old FM supersized happy meal) which is a sprung hub single disc clutch, and have done about 20 runs with no issues.

I still don't fully understand why I was having an issue. The transmissions were failing just about the time I hit peak torque (~250 ft/lb) under straight line acceleration in second gear. No shift load or clutch dropping involved. the best theory I can come up with is some kind of weird harmonic being produced by my engine that gets transmitted more effectively to the transmission via the solid hubs.

Lots of people run this clutch with absolutely no problems. My mileage varied.
hmm very interesting, thats another thing to think about because i plan to push well past that number with a built number.
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Old 08-16-2011, 12:00 AM   #10
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Quote:
Originally Posted by 92Miata View Post
hmm very interesting, thats another thing to think about because i plan to push well past that number with a built number.
I am pretty sure others have been past that power level with the 949 clutch, I just don't recommend it on MY MOTOR with a 5 speed. Most people will tell you to dump the 5 speed way before you get to 300 rwhp anyway.
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Old 08-18-2011, 06:48 PM   #11
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1. ****.
2. just bought an FM stg2 clutch. ****.
3. wish this was organic. ****.
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Old 08-18-2011, 06:55 PM   #12
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Originally Posted by chance91 View Post
1. ****.
2. just bought an FM stg2 clutch. ****.
3. wish this was organic. ****.
So you will take it?
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Old 08-18-2011, 11:03 PM   #13
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Chris, I'm afraid there are a lot of twin plate clutch tire kickers out there.
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Old 08-19-2011, 09:38 AM   #14
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Quote:
Originally Posted by y8s View Post
Chris, I'm afraid there are a lot of twin plate clutch tire kickers out there.
+1

If you have the money, get this. Ask me how I know.
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Old 10-18-2011, 11:26 AM   #15
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Okay, I am done traveling for a while so I can answer questions and do the shipping for whoever wants this.

It is back up for sale, If you PM or Post "I will take it", I will expect you to mean it. No hard feelings or trying to slam anyone who has posted before, but this is a smokin' deal. If it doesn't sell here, I will post it elsewhere next week. Last chance for someone from MT to get a heck of a deal.
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Old 05-24-2013, 01:57 PM   #16
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Sold the white car and cleaning out the garage. Found this clutch still in the box. Back up for sale.
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Old 05-24-2013, 05:22 PM   #17
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Quote:
Originally Posted by Chris Swearingen View Post
I went back to my old clutch/flywheel setup (old FM supersized happy meal) which is a sprung hub single disc clutch, and have done about 20 runs with no issues.
Does the 5-speed still hold after the 20 runs or does need regular replacements despite the FM supersized happy meal ?
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Old 05-24-2013, 06:39 PM   #18
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Quote:
Originally Posted by RpmClassics View Post
Does the 5-speed still hold after the 20 runs or does need regular replacements despite the FM supersized happy meal ?
Still going strong. Back to it's old dependable self.
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Old 05-25-2013, 04:23 AM   #19
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you box is full
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Old 05-25-2013, 09:12 AM   #20
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Quote:
Originally Posted by 90R View Post
you box is full
not any more
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