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synthetic-oil
 Post subject: Oil Pressure
PostPosted: Tue Mar 22, 2022 8:56 pm 
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Search the forum and can't find the info. What is the oil pressure on a warm engine at idle?

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WWDiesel
 Post subject: Re: Oil Pressure
PostPosted: Tue Mar 22, 2022 10:41 pm 
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I don't have a oil pressure gauge, but this info is in the FSM:
Minimum Oil Pressure (Warm)
0.7 Bar (10 psi.) at Idle
2 Bar (29 psi) at 3800 rpm

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CATCRD
 Post subject: Re: Oil Pressure
PostPosted: Fri Mar 25, 2022 11:59 am 
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I have a gauge and I see 15-17 psi with the engine warm at idle. If it's really hot in the summer with AC running it might dip to 14. 2000 rpm pressure is about 34. This is with XW-40 oils.

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Mountainman
 Post subject: Re: Oil Pressure
PostPosted: Fri Mar 25, 2022 12:12 pm 
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Mine ate a glow plug tip around 160k, and now at 230k is getting low pressure light for a couple of seconds after start up, cold engine, new sensor. The innards of the oil pump are aluminum, and they aren't my favorite to change out.

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synthetic-oil
 Post subject: Re: Oil Pressure
PostPosted: Sat Mar 26, 2022 12:59 pm 
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CATCRD wrote:
I have a gauge and I see 15-17 psi with the engine warm at idle. If it's really hot in the summer with AC running it might dip to 14. 2000 rpm pressure is about 34. This is with XW-40 oils.


Do you remember what the treads are for the pressure sensor?

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CATCRD
 Post subject: Re: Oil Pressure
PostPosted: Sun Mar 27, 2022 9:45 am 
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I think it was just 1/8" NPT. I got a common brass Tee to add my sensor along side the factory one.

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Ranger1
 Post subject: Re: Oil Pressure
PostPosted: Mon Mar 28, 2022 10:16 am 
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CATCRD wrote:
I have a gauge and I see 15-17 psi with the engine warm at idle. If it's really hot in the summer with AC running it might dip to 14. 2000 rpm pressure is about 34. This is with XW-40 oils.


18 psi hot on Mobile 1 5W-40, 20 psi hot on 10W-40 Amsoil oil. 101K miles. 90 psi cold startup. Same as when it was new.

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WWDiesel
 Post subject: Re: Oil Pressure
PostPosted: Mon Mar 28, 2022 12:33 pm 
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Ranger1 wrote:
CATCRD wrote:
I have a gauge and I see 15-17 psi with the engine warm at idle. If it's really hot in the summer with AC running it might dip to 14. 2000 rpm pressure is about 34. This is with XW-40 oils.

18 psi hot on Mobile 1 5W-40, 20 psi hot on 10W-40 Amsoil oil. 101K miles. 90 psi cold startup. Same as when it was new.

For hotter climate locations, you may want to consider running 15W40 diesel rated oil as some of us have been doing for several years now.

Hey Ranger1, nice to see you post on the forum! :D :D

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Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
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GM11 Bld.fan/HDClutch
IronrockArms/wwdieselMount
98 Dodge Cummins 24 Valve
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