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Registered
Join Date: Jun 2001
Location: Mid-Ohio
Posts: 715
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lime green o-ring...where did it come from?
I'm finishing up a project to fix a broken head stud and I have this green o ring left over that was not replaced as part of my V Reinz head set. Where did it come from?
It looks like one of the rings on the oil pump as pictured in waynes books, but I DID NOT SPLIT THE CASE... so how could that be? dimensions are OD 34mm ID 25.75 mm wall height 5.88 mm wall thickness 4.8mm |
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07-16-2006, 04:00 PM
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Wo ist die Rennstrecke?
Join Date: Mar 2004
Location: St Johns, FL
Posts: 1,210
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Engine oil cooler. There are two green o-rings near the top and a red one near the bottom.
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07-16-2006, 05:23 PM
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abit off center
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I have large green oh rings on my 4 oil return tubes
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______________________ Craig G2Performance Twinplug, head work, case savers, rockers arms, etc. |
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07-16-2006, 05:53 PM
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Registered
Join Date: Jun 2001
Location: Mid-Ohio
Posts: 715
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this one is somewhat larger than the oil cooler rings (even the big one) and has a square shoulder shape...so it's not from the return tubes
Is there an o ring like this associated with the Clutch? AND God Forbid, Is there any concievable way one of those oil pump o rings could get out without splitting the case? |
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07-16-2006, 07:46 PM
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Registered
Join Date: May 2003
Posts: 3,346
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I seem to remember having a couple of those around after my last 2 rebuilds. I don't know what they're for but I didn't seem to need them and there is no way that one could come out of the case.
-Andy
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72 Carrera RS replica, Spec 911 racer |
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07-17-2006, 06:16 PM
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Super Moderator
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Perhaps the clutch slave cylinder has a seal similar to a brake caliper seal? (I've never torn one down) I don't think that would come in a top-end set...
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Chris ---------------------------------------------- 1996 993 RS Replica 2023 KTM 890 Adventure R 1971 Norton 750 Commando Alcon Brake Kits |
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07-17-2006, 06:21 PM
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3.4 Bigger is better
Join Date: Nov 2003
Location: South Dakota
Posts: 1,497
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Virtually impossible for the oil pump seals to escape...
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Michael 88 911 Diamond Blue CE Carrera 3.4 HC3.4 member 2020 Honda Passport |
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07-17-2006, 08:09 PM
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Registered
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It might be the one for the distributor.
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1974 Targa 3.6, 2001 C4 (sold), 2019 GT3RS, 2000 ML430 I repair/rebuild Bosch CDI Boxes and Porsche Motronic DMEs Porsche "Hammer" or Porsche PST2, PIWIS III - I can help!! How about a NoBadDays DualChip for 964 or '95 993 |
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07-18-2006, 01:08 AM
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MBruns for President
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Throttle body o-ring?
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Current Whip: - 2003 996 Twin Turbo - 39K miles - Lapis Blue/Grey Past: 1974 IROC (3.6) , 1987 Cabriolet (3.4) , 1990 C2 Targa, 1989 S2 |
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07-18-2006, 06:49 AM
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Super Moderator
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I thought the dizzy o-ring was somewhat oval... However as mentioned, your oil-pump orings can't escape if you didn't split the case...
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Chris ---------------------------------------------- 1996 993 RS Replica 2023 KTM 890 Adventure R 1971 Norton 750 Commando Alcon Brake Kits |
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07-18-2006, 09:15 AM
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MBruns for President
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The TB gasket is the big one on the left
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Current Whip: - 2003 996 Twin Turbo - 39K miles - Lapis Blue/Grey Past: 1974 IROC (3.6) , 1987 Cabriolet (3.4) , 1990 C2 Targa, 1989 S2 |
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07-18-2006, 09:35 AM
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Registered
Join Date: Jun 2001
Location: Mid-Ohio
Posts: 715
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well, I took it up to my factory trained guy with 30+ years with 911, and he says its not from my engine.
we are going to re-insert tomorrow. See you at Putnam Park this weekend! |
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07-18-2006, 08:19 PM
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1969 and 1986 Porsche Targa and Coupe 1720cc and 3
1970 Porsche 911 S 
1974 Porsche 911 Targa 3.6
Gone to California
Turbo
