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6 Speed and 4 Puck Unsprung
1 Attachment(s)
So, over the weekend, I installed a 6 speed with a 4 puck unsprung clutch and a 2000lb pressure plate. Overall, it was easier than the first clutch job I did on the car but, it was still a major bitch. My impression afterwards is, 1st is useless (I expected that). I find myself crusing in 5th then realizing there is still one more gear. The 4 puck is amazing. It grips so hard. The only eye candy I have however, is this: (yes, that's my crotch)
Attachment 207083 |
You gonna take bets for how long your transmission is gonna last before you need to get another?
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Originally Posted by Saml01
(Post 388443)
You gonna take bets for how long your transmission is gonna last before you need to get another?
OP: Driven that thing in traffic yet? :) |
Originally Posted by miatamania
(Post 388501)
Why?
OP: Driven that thing in traffic yet? :) |
I've not driven it in traffic and hopefully i never have to. It's not a DD. However, if i was caught in traffic, i could probably do it. It just takes a light foot on the clutch and knowing right where the engagement point is. It will slip, you just have to know how to do it.
I have heard that the springs are there to dampen the torsional vibrations. I originally thought that drivetrain stress was the issue but as I read more stuff on it, I find that a lot of people say the springs are there to reduce chatter/noise. The rotation of a piston engine is not smooth, it is jerky. This results in torsional vibration.
Originally Posted by Turbo Magazine
(Post 999999)
T: What's the difference between a sprung and unsprung center hub?
S: For a traditional flywheel design (not dual mass), springs are placed in the center of a clutch disc to reduce transmission noises caused by the torsional vibrations (rotational pulses) of the engine. A spring center disc will operate quieter and reduce wear on the center splines of the disc. A rigid center disc, being lighter, will shift faster, engage smoother with high-friction materials, and avoid spring failures. They're race parts and aren't intended for high-mileage applications, since the splines tend to wear out prematurely from the vibration. Torsional vibration will increase with fewer cylinders, higher compression, hotter cams, higher boost, timing, lighter flywheel, or many aftermarket harmonic balancers. |
For every other unsprung clutch I've seen I've also seen a trashed transmission. Good luck
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my unsprung clutch is just fine wes the 6 speed is very robust man. Once you get used to the clutch it will drive just like any other clutch just takes abit more feel to get good at it.
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Originally Posted by magnamx-5
(Post 388746)
my unsprung clutch is just fine wes the 6 speed is very robust man. Once you get used to the clutch it will drive just like any other clutch just takes abit more feel to get good at it.
On a side note, What do you do with your car? Ever go to the drag strip? I wanna see it. |
Originally Posted by 18psi
(Post 388744)
For every other unsprung clutch I've seen I've also seen a trashed transmission. Good luck
i've been running unsprung clutch disks for like 50,000 miles. my tranny is so gonna die any second! |
I have a 4 puck unsprung too. Been there for about a year, not really something I want to sit in traffic with but its never slipped! And I find the weak point is the Torsen not the trans.
One Clutch > Torsen 2 So far. |
Glad to hear i'm not the only "crazy" one here running an unsprung hub. Lower rotating mass FTW.
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Originally Posted by y8s
(Post 388842)
oh shit.
i've been running unsprung clutch disks for like 50,000 miles. my tranny is so gonna die any second! |
Originally Posted by wes65
(Post 388947)
Glad to hear i'm not the only "crazy" one here running an unsprung hub. Lower rotating mass FTW.
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Originally Posted by Braineack
(Post 388981)
I've driven on that clutch with an ACT HD PP, it's not any or much more different than my 6-puck in feel. A man can do it.
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Originally Posted by 18psi
(Post 388977)
I should have added that none of the broken transmissions were off a miata or the 6 speed. Geez:fawk:
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I drove the car again today. Puck clutches are awesome, flat shift is too.
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