Oil pressure reading ?

Discussion in 'SRT Hellcat General Discussions' started by GrndFnk, Jan 25, 2016.

  1. GrndFnk

    GrndFnk VIP Hellcat Member

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    Just curios as to what others are getting for idle oil pressure. I have the oil in it that came with the car and it reads around 40-41 at a glance, typically, at a stop sign. However, when I let it idle for 10 minutes one time the coolant read approx 204 and the oil temp went up to about 212 at which time the hot, in drive pressure dropped to 35 and the park reading was 37-38.
    Just wondering if I am in the ball park at idle after a good long drive and everything is hot. Engine is quiet and runs well.
    I never have heard my fan come on now that i think about it and I had better check that when I get the car out in the spring. I will put a sticky note on the steering wheel.
    Thanks.
     
  2. Ray Hunsaker

    Ray Hunsaker Silver Member Hellcat Car Club Gold Supporting Member HCC Charter Member

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    sounds good to me that's about the same as mine.
     
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  3. BULL

    BULL ________173.7mph_______ ___2016 Colorado Mile___ Gold Supporting Member

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    Interesting, mine runs 55psi at idle and 60+psi at normal rpm...

    Based on what I see on mine and what's normal on "most" engines, that's a bit low...

    'Can't say for certain if it's "too low" however....
     
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  4. GrndFnk

    GrndFnk VIP Hellcat Member

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    What brand and weight oil are you using Bull ? I assume I have the Pennzoil 0-40 in mine from the factory.
     
    Last edited: Jan 25, 2016
  5. dancap3286

    dancap3286 SRT Hellcat Supporter Gold Supporting Member

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    I hear my fan engage and disengage all the time. Never looked at the pressure reading though.
     
  6. BULL

    BULL ________173.7mph_______ ___2016 Colorado Mile___ Gold Supporting Member

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    Factory oil... PUP 0-40 assumed...
     
  7. Ray Hunsaker

    Ray Hunsaker Silver Member Hellcat Car Club Gold Supporting Member HCC Charter Member

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    if I give mine any throttle at all goes to 65
     
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  8. GrndFnk

    GrndFnk VIP Hellcat Member

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    And my reading are in temps that never reached 45. I don't think I ever saw 70 on a stone-cold startup.
    I saw another guy comment the other day, I forget where...he said he had around 41 at a red light.
    Mine goes up accordingly as well Ray with throttle.
     
  9. GrndFnk

    GrndFnk VIP Hellcat Member

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    Ok I found these quotes so I think we are in the ballpark Ray. Took me a bit to figure out the site and find things before I ask questions that have been asked before...sorry about that.
     
  10. Ray Hunsaker

    Ray Hunsaker Silver Member Hellcat Car Club Gold Supporting Member HCC Charter Member

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    ya no worries
     
  11. B5RT4ME

    B5RT4ME Hellcat Member

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    My first oil change today at 2,300 w/Mobil 1 10/40, at hard throttle up to 75 and at idle with oil temp at 215 running 35 in south Louisiana at 60* ambient temp all seems to be well, as oil temp increases pressure will decrease but sounds like we are running pretty much the same, think we are good to go
     
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  12. B5RT4ME

    B5RT4ME Hellcat Member

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    My bad 0/40 and having sample analyzed by Exxon Mobil lab as they supply lube oil for all my companies engines on our offshore platforms and do our oil analysis at no charge curious to see how it checks out
     
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  13. GrndFnk

    GrndFnk VIP Hellcat Member

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    2000 miles later as of last week, I have noticed the viscosity of the 0-40 Pennzoil really takes a dive when the oil temp gets past 210. When my coolant read 215 and oil temp was 217 the other day after I let it idle for a while in 70 degree weather I was reading my typical 33 in drive and 36-37 in park. It is about par for my engine. Runs strong, never uses any oil, quiet. If I drive around it brings the temps down and the oil pressure increases to around 38-40 at a stop sign. I am still interested in what what some of you get when the coolant and the oil is HOT now that it is summer and what filter you are using at the time. I use the stock 899 filter which may, or may not have an impact on the readings vs the 041, or other brands.
    Thanks.
     
  14. BULL

    BULL ________173.7mph_______ ___2016 Colorado Mile___ Gold Supporting Member

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    (M6 tran)

    fast idle:
    50psi @ 180F

    slow idle:
    48psi @ 185F
    44psi @ 195F
    42psi @ 201F
    41psi @ 205F
    40psi @ 210F

    immediately following oil change with PUP 0W-40 (and -041 SRT filter) (599.7miles on engine)

    Anything above idle gets me 55-65psi...
     
  15. GrndFnk

    GrndFnk VIP Hellcat Member

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    Thanks for that info...If you get a chance, after you drive it for a while, let it idle and get the oil temp over 215 as well as the coolant.
    With your car being a manual, that would probably correspond with the readings I get in park.
    What rpm does your car idle at when hot ?
     

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