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275 - normal operating oil temp?

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    275 - normal operating oil temp?

    Just curious. Haven’t taken her out in a few weeks and noticed today that the oil temp is running around 50 mark. Does that seem right? I’m sure 40 is normal???

    #2
    Oil temp? Or oil pressure?
    Oil pressure could be considered normal at 40 or 50 psi on an engine that has just been started.
    Dave
    Edmonds, WA
    "THE FIX"
    '93 2556 5.7 Bravo II 2.0:1 18 1/4x19 P
    (.030 over-Vortec top end-part closed cooled)
    The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
    Misc. projects thread
    https://www.baylinerownersclub.org/f...56-gctid789773

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      #3
      Ideal conventional engine oil "sump" temperatures should be no more than 195 to 220 degrees Fahrenheit!
      As the oil heats, the viscosity decreases as well as it's ability to lubricate.

      Ideal engine oil pressure should be approximately 40 to 50 psi.
      Unless the engine has undergone a special oil galley chamfering process, a higher pressure will increase the risk of cavitation.
      It will also keep more oil in suspension, leaving less oil in the sump.
      Rick E. Gresham, Oregon
      2850 Bounty Sedan Flybridge model
      Twin 280 HP 5.7's w/ Closed Cooling
      Volvo Penta DuoProp Drives
      Kohler 4 CZ Gen Set

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        #4
        A small block Chevy can run 6000 RPM all day with 35 PSI oil pressure. They have an exceptionally good oil system. I always hated it when people wanted a high pressure oil pump or high volume oil pump installed on a Chevy engine, it just puts more heat into the oil. So if your showing 40 PSI fully warmed up your good....
        2550 Cierra, AQ260 Volvo Penta (350 Chevy)
        Laporte, CO

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          #5
          My twin 5.7L’s typically run about 175 for temp when warm and 40psi for oil pressure.

          40 or 50 for temp seems low, even for centigrade.

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