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Old 10-17-2009, 06:34 PM   #1 (permalink)
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Default sprung versus unsprung

I searched but couldnt find anything
maybe I wasnt looking for the right terms but can anyone explain the diffrence between sprung and unsprung clutches??
Obviously one has a spring centered disc and the other doesnt but is there a difference in driveability???
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Old 10-17-2009, 06:38 PM   #2 (permalink)
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with no spring on the clutch disc it has no cushion for engagement....so puck clutches just grab and bam your going as with a clutch with springs it has that cushion to provide cushion for engagement bascially its so all the torque of the motor doesnt just slam into the input shaft
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Old 10-17-2009, 06:40 PM   #3 (permalink)
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Quote: Originally Posted by BLKDOUTSRT4 View Post
with no spring on the clutch disc it has no cushion for engagement....so puck clutches just grab and bam your going as with a clutch with springs it has that cushion to provide cushion for engagement bascially its so all the torque of the motor doesnt just slam into the input shaft

Ok so technically then it isnt as harsh on the car AND is easier to daily drive??
I think I have made up my mind after driving a friends the other day and am gonna get the sprung act 6 puck
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Old 10-17-2009, 06:46 PM   #4 (permalink)
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Quote: Originally Posted by tinctorus View Post
Ok so technically then it isnt as harsh on the car AND is easier to daily drive??
I think I have made up my mind after driving a friends the other day and am gonna get the sprung act 6 puck

best way i can describe is to look in the middle you can see where the input shaft slides through...well those springs cushion it and rotate with it where as on a disc with no springs its sold all the way to the disc....its hard to describe you just have to picture the outside of the disc contacting the flywheel while the middle flexes to cushion the transfer of power......ill just sum up and say you do NOT want a unsprung clutch.....
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Old 10-17-2009, 07:34 PM   #5 (permalink)
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Quote: Originally Posted by BLKDOUTSRT4 View Post
best way i can describe is to look in the middle you can see where the input shaft slides through...well those springs cushion it and rotate with it where as on a disc with no springs its sold all the way to the disc....its hard to describe you just have to picture the outside of the disc contacting the flywheel while the middle flexes to cushion the transfer of power......ill just sum up and say you do NOT want a unsprung clutch.....

Ok so I will make sure I order the sprung setup
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Old 10-17-2009, 09:26 PM   #6 (permalink)
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Quote: Originally Posted by tinctorus View Post
Ok so I will make sure I order the sprung setup

just a fyi....stock clutch rules all....
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Old 10-17-2009, 10:07 PM   #7 (permalink)
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Quote: Originally Posted by BLKDOUTSRT4 View Post
just a fyi....stock clutch rules all....

LOL.

The drivetrain section is making me laugh today.

I love my UNsprung 6 puck. And yes I daily drive it. Being able to shift is a great thing.
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Old 10-17-2009, 10:33 PM   #8 (permalink)
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Quote: Originally Posted by turbojonsrt4 View Post
LOL.

The drivetrain section is making me laugh today.

I love my UNsprung 6 puck. And yes I daily drive it. Being able to shift is a great thing.

what about those of us who have 50k on stock input shafts and have 400+ whp.......... yes i am on stock clutch right now and it has held for the last 3 months with the tires spinning.
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Old 10-17-2009, 10:36 PM   #9 (permalink)
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Quote: Originally Posted by turbojonsrt4 View Post
LOL.

The drivetrain section is making me laugh today.

I love my UNsprung 6 puck. And yes I daily drive it. Being able to shift is a great thing.

eventually your input shaft WILL break....its a ticking timebomb ....one missed shift one over rev.... and boom ...id rather have the cushion
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Old 10-17-2009, 10:37 PM   #10 (permalink)
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Quote: Originally Posted by AllBoost View Post
what about those of us who have 50k on stock input shafts and have 400+ whp.......... yes i am on stock clutch right now and it has held for the last 3 months with the tires spinning.

I made 413whp/401tq on a loaded mustang dyno with a stock clutch at 35k miles. It never slipped. I never ran slicks back then either and all it did was spin. The stock clutch ( with a responsible driver) can hold up to a lot. That doesn't mean a stock clutch is the best. Try shifting at 7200+ with a stock modular clutch. BTW 400whp isn't enough for everyone and some people actually like to use tires that can make that power usable.
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Old 10-17-2009, 10:37 PM   #11 (permalink)
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Quote: Originally Posted by BLKDOUTSRT4 View Post
eventually your input shaft WILL break....its a ticking timebomb ....one missed shift one over rev.... and boom ...id rather have the cushion

LOL again.

Not everyone has a stock input shaft

And I'd rather be able to put my 500+whp down than have my clutch slip the whole time, and then lock me out of gear while trying to shift.

Last edited by turbojonsrt4 : 10-17-2009 at 10:40 PM.
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Old 10-17-2009, 10:40 PM   #12 (permalink)
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If $$$ wasn't an issue, I'd go Rage Accelerator and twin disc.

/discussion with clutches, holding power, shifting, and snapping input shafts.
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Old 10-17-2009, 10:41 PM   #13 (permalink)
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Quote: Originally Posted by turbojonsrt4 View Post
I made 413whp/401tq on a loaded mustang dyno with a stock clutch at 35k miles. It never slipped. I never ran slicks back then either and all it did was spin. The stock clutch ( with a responsible driver) can hold up to a lot. That doesn't mean a stock clutch is the best. Try shifting at 7200+ with a stock modular clutch. BTW 400whp isn't enough for everyone and some people actually like to use tires that can make that power usable.

lol no i was asking which clutch should i get. sprung or unsprung. im not sure. i just didnt want people saying....."your on a d55 and stock clutch!!!! your a dumbass!!!" cause with a smart driver and right turbo your can get them to grab. all about how the power comes on.
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Old 10-17-2009, 10:43 PM   #14 (permalink)
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didnt that one car in new mexico have like crazy power on stock clutch...i mean i have alot of dam mods on my car...im no 500hp but def in the 380 range with a piss load of torque and not one slip yet....not even a hint of a slip...i had thought of a new clutch but the one i wanted is gone so im holding out
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Old 10-17-2009, 10:43 PM   #15 (permalink)
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ya i just dont wanna snap a input shaft in like 3 months just racing and just doing normal shifts (no WOT) and how is the sprung vs unsprung in the category of releasing to the next gear. i think one of them dosent like to be WO
T shifted. its the sprung if i remember.
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