 Clutch Surface Question, Which is Better |
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| Mblizzard |
 Jan 24 2014, 07:47 PM
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#1
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Advanced Member  Group: Members Posts: 3,033 Joined: 28-January 13 From: Knoxville Tn Member No.: 15,438 Region Association: South East States  |
Ok I have been looking at clutches to install after I complete the Dr. Evil tranny rebuild. Won't bore you with the part numbers but in the 6 spring configuration I have noticed two different types of surfaces on the clutches. One completely smooth and a light cold
 And another much darker with groves  Anyone have any ideas about what the differences are between the two? One better than the other? |
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| McMark |
Jan 24 2014, 08:48 PM
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#2
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
The lower one is typical Sachs OE clutch. I've never seen or used the top one.
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| tomeric914 |
Jan 24 2014, 08:58 PM
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#3
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One Lap of America in a 914! Group: Members Posts: 1,259 Joined: 25-May 08 From: Syracuse, NY Member No.: 9,101 Region Association: North East States 
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The top is more like the VW/Porsche clutch discs from the 60's and 70's. I had a NOS one somewhere.
The bottom one is a "modern day" clutch disc. |
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| Mblizzard |
Jan 25 2014, 09:10 PM
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#4
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Advanced Member Group: Members Posts: 3,033 Joined: 28-January 13 From: Knoxville Tn Member No.: 15,438 Region Association: South East States |
Ok I think I have this figured out. The first clutch is referred to as an "organic" material. And the second more modern version is a ceramic mix material.
Supposedly the organic material is better for standard driving and the others are a little more performances oriented. |
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