 RSR oil pressure relief valve |
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| Wild Bill |
 Dec 16 2010, 12:19 PM
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#1
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Newbie  Group: Members Posts: 7 Joined: 14-May 07 From: UK Member No.: 7,737 Region Association: None  |
Hello,
Could anyone tell me at what pressure the later, non-adjustable valve should open? I originally thought that it was around 5 bar, but someone is telling me between 10-12 bar. This seems extremely high to me, but I'm certainly no expert. Thanks. |
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| jd74914 |
Dec 16 2010, 07:15 PM
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#2
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Its alive Group: Members Posts: 4,780 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
I have no direct knowledge of RSR motors, but 5 bar (72.5 psi) seems a little low for a 911 relief valve so by default I would guess the units are 10 bar.
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| jcd914 |
Dec 17 2010, 03:08 AM
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#3
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
QUOTE(Wild Bill @ Dec 16 2010, 10:19 AM)  This seems extremely high to me, but I'm certainly no expert. Thanks. (IMG:style_emoticons/default/agree.gif) Don't have spec for RSR handy but here are several 911 oil pressure specs and nothing close to 10 bar. 1983 911 SC 4.0 bar @ 90 deg C @ 5000rpm 1991 911 Carrera 6.5 bar @ 90 deg C @ 5000rpm 1995 911 Carrera above 5 bar @ 80-90 deg C @ 5000rpm 2001 911 Carrera 5 bar @ 90 deg C @ 5000rpm 2001 911 GT3 6.3 bar @ 90 deg C @ 5000rpm 2008 911 Carrera S 5 bar @ 90 deg C @ 5000rpm Jim |
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| Wild Bill |
Dec 17 2010, 03:53 AM
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#4
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Newbie Group: Members Posts: 7 Joined: 14-May 07 From: UK Member No.: 7,737 Region Association: None |
Perhaps, it means nothing but the GT oil pressure gauge only goes to 10 bar.
I thought that i'd post a couple of pictures from Armando's site of the valve I'm talking about. The p/n is 901.107.017.00.   |
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| Wild Bill |
Dec 20 2010, 04:33 AM
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#5
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Newbie Group: Members Posts: 7 Joined: 14-May 07 From: UK Member No.: 7,737 Region Association: None |
I've come across these two Behr oil coolers on Armando's site. The first is a 1970 914/6 GT and the second is a 1973 RSR. Both are only rated at 10 bar, so I have to think that the pressure relief valves should pop-off below 10 bar, not above. At least for this period. I haven't been able to confirm what the pressure rating was on the 1974 RSR oil coolers which had an in-built pressure relief valve.
Behr 1970 914/6 GT Oil Cooler   Behr 1973 RSR Oil Cooler   |
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| Wild Bill |
Dec 27 2010, 04:05 PM
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#6
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Newbie Group: Members Posts: 7 Joined: 14-May 07 From: UK Member No.: 7,737 Region Association: None |
Just checking following the holidays if anyone has any additional information?
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