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Old 01-23-2015, 09:28 AM   #1
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Spec Stage 1

anyone got a feel for life expectancy of a spec stage one clutch when used with a lightweight flywheel in a relatively hoon-free manner? are we talking 10k miles or 100k miles (ie, order of magnitude miles before replacement when used aggressively but responsibly)?

thanks.
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Old 01-23-2015, 04:52 PM   #2
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Did you just use "aggressively" and "responsibly" in the same sentence?
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Old 01-23-2015, 04:56 PM   #3
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yessir! say track time but no 4000 rpm clutch drops or traffic light drags.
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Old 01-23-2015, 05:58 PM   #4
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I have the same setup (Spec 1 + LWFW). It was installed by the PO and used in a "responsible" manner for the last 20k miles.
Now that it's under my ownership, it will see more track and AX days.
I'm curious to see how long the clutch will last as well.
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Old 01-23-2015, 06:44 PM   #5
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Quote:
Originally Posted by com3dorm3 View Post
I have the same setup (Spec 1 + LWFW). It was installed by the PO and used in a "responsible" manner for the last 20k miles.
Now that it's under my ownership, it will see more track and AX days.
I'm curious to see how long the clutch will last as well.
How does it sound? Is there vibration?
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2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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Old 01-23-2015, 07:38 PM   #6
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Quote:
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How does it sound? Is there vibration?
Clutch has a stronger bite and it is slightly harder to roll off smoothly/slowly in 1st.
I experience no difference in sound or vibration. (it has the sprung hub)
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Old 01-24-2015, 03:51 AM   #7
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This is a little off track, but the info may be useful. I have the Spec Stage 3+ clutch and a LWFW in my autocross car. Most of my starts are around 3000 rpm. I installed the clutch at 142k 4 years ago. I'm now at 172k and it is working fine.
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Old 02-09-2015, 02:41 PM   #8
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Good to know. I'll report back when my clutch gets toasted.
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