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I need a clutch

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Old 02-27-2009, 12:03 AM
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tman
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Default I need a clutch

I was thinking spec stage 4 full metallic.
This is my stage 3 hybrid, it did not like heat.

Attachment 339859

Attachment 339860

It would be nice if it was somewhat streetable.
Any recommendations?

Last edited by tman; 03-03-2013 at 02:45 PM.
Old 02-27-2009, 12:05 AM
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Lorax
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how much power you making?
Old 02-27-2009, 12:13 AM
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tman
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Originally Posted by Lorax
how much power you making?
around 430 whp.
Old 02-27-2009, 10:08 AM
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Kool
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I have that Stage3 in a box in my garage.

How is it on the street?
Old 02-27-2009, 11:14 AM
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evil 944t
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I use a Kep 2 and a full organic disc. It clamps nice and is as smooth as stock (the pedal is heavy though).
Old 02-27-2009, 11:19 AM
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Duke
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Strange, the S3 should have no problems with heat. Or is your disc with organic pucks?
The S4 is basically an S3 without the springs.
Old 02-27-2009, 11:23 AM
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tman
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Originally Posted by Kool
I have that Stage3 in a box in my garage.

How is it on the street?
Mine was fine on the street, decent modulation not much heavier than stock.
Old 02-27-2009, 11:30 AM
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blown 944
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as I am sure you have found out hard launches and these clutches don't mix well.

I would look at the KEP 2 and a 6 puck. If the stage 2 will clamp a 930 then that is what I'd go with but I am not so confident.

what may work for around town hotrodding may be toast at high boost at the track (strip).

430 hp is on the low side for what you are doing IMO. You need to really look a the TQ you are making at the boost level you are running.

There was someone touting a hybrid recently and it sounded promising I'd have to look back at what it was.

My .02
Old 02-27-2009, 11:30 AM
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tman
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Originally Posted by Duke
Strange, the S3 should have no problems with heat. Or is your disc with organic pucks?
The S4 is basically an S3 without the springs.
The metallic pucks are scored pretty bad as is the pressure plate.
Flywheel side looks actually better.
Old 02-27-2009, 11:43 AM
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tman
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Originally Posted by blown 944
as I am sure you have found out hard launches and these clutches don't mix well.

I would look at the KEP 2 and a 6 puck. If the stage 2 will clamp a 930 then that is what I'd go with but I am not so confident.

what may work for around town hotrodding may be toast at high boost at the track (strip).

430 hp is on the low side for what you are doing IMO. You need to really look a the TQ you are making at the boost level you are running.

There was someone touting a hybrid recently and it sounded promising I'd have to look back at what it was.

My .02
It was fine on the street even with drag radials, top of second gear at the track is when it gave up. I'll look into the kep 2. Thanks.
Old 02-27-2009, 12:20 PM
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hm i´m wondering if those holes in the pressure plate is good or not?
i have the spec 3 hybrid but with the Aluminum Pressure Plate and that doesn´t have those holes.
Old 02-27-2009, 12:23 PM
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evil 944t
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Originally Posted by DLS
hm i´m wondering if those holes in the pressure plate is good or not?
i have the spec 3 hybrid but with the Aluminum Pressure Plate and that doesn´t have those holes.
+1. That with only 6 small pucks doesn't seem to give you much surface area.
Old 02-27-2009, 01:02 PM
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Those holes are pretty ghetto....

I would go with the KEP2 again in a heartbeat. Its girlfriend approved!
Old 02-27-2009, 07:08 PM
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2bridges
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hey tman -

did you opt for a lightened pressure plate? Is that why there are holes?
I am a bit Confused as that is exactly where I would not want one to be lightened.
Did this come that way from spec, or was it otherwise modified?

I am getting ready to pickup a stage3 hybrid spec setup myself, and expect 400 whp on E85.

Greatly appreciate you sharing
Old 02-27-2009, 07:54 PM
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dand86951
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I've got the KEP stage 1 with a South Bend Feramic/organic disc. Has worked very well now for about 20,000 miles. According to KEP and South Bend the combo is good for at least 600 ft lbs.


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