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Low Oil Pressure causing me concern

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Old 08-27-2014, 12:52 PM
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Earlydays
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GTX 20w-50 is a good oil for the 964...I've been using it in mine since 1998.
Old 08-27-2014, 02:20 PM
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axl911
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Originally Posted by pi5tolpete
Sounds like a good idea. Does the gauge screw into the pressures sender plate? Are there are few adaptor pieces I'll need to source to set it up? If so, any idea what the thread is in the sender plate?
I'm planning to go with CASTROL GTX 20w-50 oil for this test. Any concerns?
The guage does screw into the pressure sender with an adapter. The guage kit on loan from Autozone does have one in my case. But sometimes, they are lost. You may have to buy one.
Old 08-27-2014, 02:27 PM
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I think this is the kit I was able to borrow from Autozone.

http://www.autozone.com/autozone/acc...er=347229_0_0_
Old 08-27-2014, 03:00 PM
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Steve Weiner-Rennsport Systems
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Originally Posted by pi5tolpete
I'm planning to go with CASTROL GTX 20w-50 oil for this test. Any concerns?
JMHO,................................

I would not use that product in anything (including lawn mowers).

There are FAR better choices.
Old 08-27-2014, 04:21 PM
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KaiB
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My oil is green....

Just sayin'
Old 08-27-2014, 07:19 PM
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Ducks964
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Green here too.
Old 08-27-2014, 09:16 PM
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pi5tolpete
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Originally Posted by Steve Weiner-Rennsport Systems
JMHO,................................ I would not use that product in anything (including lawn mowers). There are FAR better choices.
I'm all ears for suggestions. I'm looking for a quick test to rule in our out significant engine work. My cab runs 15w-50 mobil1 synth but for a test I thought it to be a bit expensive no?
Old 08-27-2014, 10:12 PM
  #23  
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Can someone tell me if the front oil cooler fan should suck air past the coils or blow air through them?

Last edited by pi5tolpete; 11-16-2014 at 11:07 AM.
Old 08-27-2014, 10:15 PM
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Disregard, it sucks-as it is getting forced air on the inside side from the front of the car ducting.
Old 08-28-2014, 01:46 AM
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Steve Weiner-Rennsport Systems
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Originally Posted by pi5tolpete
I'm all ears for suggestions. I'm looking for a quick test to rule in our out significant engine work. My cab runs 15w-50 mobil1 synth but for a test I thought it to be a bit expensive no?
Using good oils is FAR cheaper than rebuilding these engines.

FWIW, the Mobil V-Twin 20w-50 oil is far superior to the 15w-50 product.
Old 08-28-2014, 09:37 AM
  #26  
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Is there a location on the engine where I can connect a mechanical oil pressure gauge and still use the electrical oil pressure sender at the same time?
Old 08-28-2014, 12:21 PM
  #27  
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Also (sorry for all the self-replies), but if I remove the bottom vertical pressure relief valve, do I dump all oil? Or is it only a small amount that dumps compared to the oil dump plug?
Old 08-28-2014, 11:36 PM
  #28  
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Following the DIY "hemi manifold-ectomy", I've successfully removed the pressure sender and am awaiting my new VDO unit to arrive tomorrow. I also decided to remove the pressure relief valve (yes, you lose all your oil) so I drained it all properly and filtered it through. Looked reasonable. I reinstalled the RV and will top up with fresh oil tomorrow. My only decision now is whether I install a mechanical gauge and reassemble, only to have to pull it all apart again to install the sender later.







Anything else?
Old 08-29-2014, 01:18 AM
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RicardoD
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Nice job!
Old 08-29-2014, 08:18 AM
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The oil pressure relief valve fell out easily with no signs of being stuck partially open. Cheap solutions are drying up.


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