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engineer.white
Joined: 19 Aug 2008
Posts: 61
Location: New Bern, North Carolina
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 Posted: Sat Sep 17, 2011 10:30 pm Post subject: Aluminum clutch pressure plate? |
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Are there light weight pressure plates from the 911 that will fit and function in the 931? I think its from a 911 year 1972-1986..... whats the porsche part number of the Sachs part number.
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1981 924 turbo/931
1982 924 turbo/931
1986 911 turbo/930 |
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gegge
Joined: 27 Jul 2007
Posts: 1124
Location: Sweden
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| Posted: Sun Sep 18, 2011 5:23 am Post subject: |
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Yes there are. Search and you find it.
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Carl Fredrik Torkildsen
924 turbo -81 Carrera GT RESTOMOD
924 turbo -80 Dolomite De Luxe
924 -85 DP kit, BBS RS, M030 and tuned engine
924s -86 Black on black turbo with Fuchs |
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Sun Sep 18, 2011 12:06 pm Post subject: |
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From this thread: http://www.924board.org/viewtopic.php?p=313414#313414
| ideola wrote: | On a bone stock S1 931, you need (spring-damped) clutch plate 931.116.011.04 and pressure plate 931.116.001.02
If you replace the S1 flywheel with a US-spec S2 flywheel, you can upgrade to the 911 pressure plate 915.116.001.27, which provides ~2x the clamping force of the 931 pressure plate. There is another version of the 911 pressure plate that has an alu housing to reduce weight...it is part number 915.116.001.16, but they are NLA from Porsche. I got lucky and found a NOS unit 3 years ago that I'm currently planning to put into the UWB project.
I'm not sure if you can use the 915.* pressure plate on the S1 flywheel. My 941 was originally a S1 car, but the motor that's in it is mostly S2 stuff so it has the S2 flywheel. I'm not planning to use any of the S1 flywheels I have because they're heavier than the S2 flywheels.
SPEC has some nice-looking clutch packages but they're not cheap. If you want to investigate their stuff as an alternative, you would need whatever setup they say is compatible with the M31.01/02 engine, which is presumably what you have. Best to check the engine code stamped onto the block to verify for certain. |
In another related thread: (http://www.924board.org/viewtopic.php?t=34417)
Here are two other alternatives, designed for the 911, but the pressure plates will work for the 931. The clutch disc will not work because it has 20T spline instead of the 931's 25T spline. I have not found a source for only the pressure plate from these kits...but haven't had time to call anybody either...
http://cgi.ebay.com/ebaymotors/SACHS-RACING-POWER-CLUTCH-KIT-Porsche-911-911S-911T-72-/330552851454?pt=Motors_Car_Truck_Parts_Accessories&hash=item4cf67c3bfe#ht_2155wt_725
http://www.ebsracing.com/item.wws?sku=901116001LWK-1&mfr=KEP
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erstwhile owner of just about every 924 variant ever made |
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Sun Sep 18, 2011 12:22 pm Post subject: |
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I think the Sachs number for the *.16 version is 3082 087 031, but still trying to confirm.
LUK also shows their part number 123 0085 20 as being a replacement for the 915.116.001.* parts, but I doubt it has the aluminum housing because it's listed for both the *.27 (iron) and *.16 versions.
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erstwhile owner of just about every 924 variant ever made |
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Vic
Joined: 05 Jan 2011
Posts: 42
Location: australia
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| Posted: Mon Sep 19, 2011 5:02 pm Post subject: |
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| I like politeness myself when asking assistance |
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gegge
Joined: 27 Jul 2007
Posts: 1124
Location: Sweden
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| Posted: Mon Sep 19, 2011 6:39 pm Post subject: |
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| Vic wrote: | | I like politeness myself when asking assistance |
Are you suggesting that I was unpolite? Well, I am sorry but engineer. white asked if there are aluminum pressure plates and I answered yes and by using the searchfunction it is relative easy to find the threads.
Didnīt mean to offend anyone.
_________________
Carl Fredrik Torkildsen
924 turbo -81 Carrera GT RESTOMOD
924 turbo -80 Dolomite De Luxe
924 -85 DP kit, BBS RS, M030 and tuned engine
924s -86 Black on black turbo with Fuchs |
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Vic
Joined: 05 Jan 2011
Posts: 42
Location: australia
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| Posted: Mon Sep 19, 2011 7:19 pm Post subject: |
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| No mate it wasn't meant for you , sorry, it was meant for the person asking the question ! No introduction, hello or hi or thankyou, just a blunt question , as i said a bit of politeness goes a long way you were great in answering the question , i have to deal with public all the time and its a personal thing to me as some people dont give a toss just demand answers OK |
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