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oil pressure

This is a discussion on oil pressure within the General Help forums, part of the LSx Technical Help Section category; so i purchased an 02 Z-28 with lots of mods, but the list of things done did not include oil ...

  1. #1
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    Bright Rally Red
    2002 Z-28

    oil pressure

    so i purchased an 02 Z-28 with lots of mods, but the list of things done did not include oil pump...... what is the stock oil pressure of the LS1? i am at around 60 on the factory gauge while at idle.... here is a list of the engine mods-

    Texas Speed stage 2.5 5.3L Heads
    Texas Speed 228R Cam
    Underdrive pulleys
    Pacesetter L/Ts
    Off-road Y Pipe
    A/C and Smog/Emissions Delete

  2. #2
    Member luvmyz28's Avatar
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    nbm
    99 z28

    my engine is stock. just have the pace setters. oil pressure on the guage is usually around 50ish at idle. goes up to 60 when on the gas a bit.

  3. #3
    OOHHH YEAH! jray0305usa's Avatar
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    black
    99 z28 a4

    lol mines all over 50+ cold 40 warm 20 hot traffic idle... usually stays around 40 5w30 right now on ams oil was on purple but for near the same price no one hates it...lol and 107xxx.... my dads tahoes the same im only concerned with reading no oil pressure...

  4. #4
    Exalted Cyclops 67CamaroRSSS's Avatar
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    Quote Originally Posted by jray0305usa View Post
    lol mines all over 50+ cold 40 warm 20 hot traffic idle... usually stays around 40 5w30 right now on ams oil was on purple but for near the same price no one hates it...lol and 107xxx.... my dads tahoes the same im only concerned with reading no oil pressure...
    Yeah, 0psi oil pressure on the gauge would be a bit of a cause for concern.

    My 178,xxx mile 98 Z28 runs at 20psi at idle (hot) and 35-40psi under freeway cruise. It doesn't make any noise so I let it be.

  5. #5
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    Bright Rally Red
    2002 Z-28

    so i am under the assumption that my oil pump must be aftermarket due to the fact that when at operating temp. i am at 60...... with 15869 miles

  6. #6
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    pajeff02's Avatar
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Our oil pressure (hot) runs around 40 at idle and 60 plus up in the rev range. I always take the stock gauges to be an approximation at best. If there is concern, plumb in an aftermarket or master pressure gauge to check it.

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