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Former Options Trader !!!
Join Date: Feb 2003
Location: Bucks County PA
Posts: 6,756
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Oil Pressure Question
In my 1987 3.2 in 5th gear at 3200 rpm what pressure does everyones Druck guage read? What should it read?
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Current:88 Guards Red Coupe, 89 Coupe Track Rat, 76 Caddy Eldo Convert. 2015 Aprilia Tuono Wrecked 1987 Targa Guards Red, 2003 Ducati ST4S Sold 1987 Granite Green Targa, 993's, 93 RSA, other 964 coupes, 89 911 Turbo Ruf mods, 90 e30 M3, 07 BMW R1200S STOLEN 94 Speedster |
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Rule of thumb is 1 bar per 1000 RPM. Therefore, you should read approx. 3 bar of oil pressure.
Bruce
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Bruce '12 Carrera S DFI '84 911 Carrera |
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My 87's always reads a little higher than the 1 bar guide. At 3200, my gauge would be around 3.5-3.8
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Don 24 Cayman GTS - GT Silver 23 Cayman GTS - Arctic Grey - Sold 97 993 Coupe - Arctic/Black - Sold 13 991 Coupe - Platinum/Black - Sold, 87 911 Coupe - Venetian Blue |
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Join Date: Jun 2001
Location: Northeast GA
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My '87 shows between 3 and 4 bar at that engine speed. Closer to 4.
Bob
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Bob S. '87 911 ("Hardtop" per neighbor) |
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I would never let my tach get that low.
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2022 BMW 530i 2021 MB GLA250 2020 BMW R1250GS |
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
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Generally depending upon the oil temp 3200 will show anywhere for 3.25 bar (really hot) and 4 bar (cool).
It's my understanding that as low as 10 psi per 1000 is ok, but most people seem to run higher.
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa SOLD 2004 - gone but not forgotten
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There is a cheap upgrade for oil pressure. You can replace the cam oil line bolts with the 964 restricter fittings. They're about $5 per piece, take less than 5 min. to install and give a better spray and higher oil pressure.
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2022 BMW 530i 2021 MB GLA250 2020 BMW R1250GS |
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my '82 hits over 5 bar @ 3000rpm in 5th gear on the highway...is that bad?
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Matt '82 911SC Targa! |
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Former Options Trader !!!
Join Date: Feb 2003
Location: Bucks County PA
Posts: 6,756
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Thanks everyone for the reply
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Current:88 Guards Red Coupe, 89 Coupe Track Rat, 76 Caddy Eldo Convert. 2015 Aprilia Tuono Wrecked 1987 Targa Guards Red, 2003 Ducati ST4S Sold 1987 Granite Green Targa, 993's, 93 RSA, other 964 coupes, 89 911 Turbo Ruf mods, 90 e30 M3, 07 BMW R1200S STOLEN 94 Speedster |
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More Likeable IRL
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richard you've really changed with 993 thing, no more beavis or butthead. i like the carrera driving richard better than this new guy.
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78SC PRC Spec911 (sold 12/15) https://www.youtube.com/watch?v=f7I6HCCKrVQ Now gone: 03 996TT/75 slicklid 3.oL carb'd hotrod 15 Rubicon JK/07.5 LMM Duramax 4x/86 Ski Nautique Correct Craft |
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I still have the Carrera and I recently bought 50 episodes of Beavis & Butthead on eBay. I still drink Pabst, still buy Pez regularly, I just have a 993 now too.
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2022 BMW 530i 2021 MB GLA250 2020 BMW R1250GS |
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With all these pcars are you down to less than $10 worth of ammunition?
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Don, I'm so poor now that I can't afford to pay attention. Luckily, I do my own reloading sometimes too.
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2022 BMW 530i 2021 MB GLA250 2020 BMW R1250GS |
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Join Date: Jan 2003
Location: SF Bay Area
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Matt,
I have similar high pressure readings, and was also wondering if it's bad for it to be that high. But there's no 'red line' on the OP guage, so I guess it's Ok? I know the sender and guage are working, because it's down lower at idle. ...Bruce |
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Join Date: Jul 2001
Location: Hamden, CT, USA
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It’s probably a bad sender or connection. I had the same problem until I changed the sender.
Tim |
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
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How low does it go at idle??
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa SOLD 2004 - gone but not forgotten
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Ok, here's how mine behaves: At idle it's between 1- 1 1/2. Around 2K rpm it's about 3 bar. Around 3K rpm it's about 4 bar. Anything above 3200 or so it reads close to 5 bar. All this is after it's warmed up. Does this sound reasonable?
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
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Sounds perfect to me
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa SOLD 2004 - gone but not forgotten
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My notes said that a Carrera '87 should have 4 bar of oilpressure at 5000 rpm.
/J
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Jocke Andersson Reach me on ICQ - 317860713 Porsche 930 -77 SOLD Modified, one of a kind in Sweden. Check out my car @: http://members.cardomain.com/jocke |
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