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Thread: oil pressure

  1. #1

    Default oil pressure

    hi

    i have a 97 k2500 suburban. the oil pressure is always around 40 - 45 psi when idling and around 60 - 65 psi while driving. is that normal? I think it is a little high! or can I just leave it like it is?

    Thank you
    96 c1500 suburban 5.7l / 133'000mls
    97 k2500 suburban 7.4l / 112000mls

  2. #2

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    If I remember correctly, that sounds like where my '96 ran. My '04 doesn't show quite as much variation. Good Luck!


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  3. #3

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    Quote Originally Posted by retired2001 View Post
    If I remember correctly, that sounds like where my '96 ran. My '04 doesn't show quite as much variation. Good Luck!
    and was your 96 ok or was it a problem?

  4. #4
    Legend unplugged's Avatar
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    My 93 runs lower at idle. What weight/brand of oil are you running?
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  5. #5

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    Chevron 10W40, it has the 454 engine
    Last edited by caprice88; 11-18-2007 at 02:32 AM.

  6. #6
    Legend unplugged's Avatar
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    You might want to try 10-30w. Haynes manual specs that for the temp range you'd be operating in.

  7. #7

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    is it a big difference between 10W30 and 10W40? isn't 10W30 better for colder temperatures?

  8. #8

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    My 97 subs oil pressure runs about the same, that is not to high it shows the bottom end is in good shape. I have run 5-30 winter and 20-50 towing in the summer the gauge reads the same max pressure once warmed, the 20-50 will show about 10 higher at cold idle.

    Phil
    Happy 2 Wheeler!

  9. #9

    Default

    Ok, I live in the Desert and we got an average temperature in the winter around 70F and in summer 100 - 120 F. So I'm probably not too bad with 10-40 I guess.

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