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Thread: LS3 Oil Change

  1. #1
    Join Date
    Apr 2005
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    LS3 Oil Change

    My LS3 engine is due it's first oil change.

    Is there any special procedure I need to follow to make sure the oil pump stays primed?

    My current plan is oil filter off, new filter on, drain sump and refil.
    Regards

    Craig Perry

    No, I'm not "repairing" it, I'm fine tuning its performance.

  2. #2
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    Nothing special, but sequence is:
    Drain oil
    Oil filter off
    Drain plug back in
    Fill oil filter & smear of oil around rubber seal
    Fit oil filter
    Fill with oil to correct level

    Run engine, stop, check oil level & top up as required

    Regards

    Jim

  3. #3
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    Anyone got any idea of the oil capacity of an LS3, I've bought a 5l can but I think I'll need more.

  4. #4
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    More than 5, less than 10 (can't remember exactly, but defo more than 5)

    Jim
    GD Mk3 Jag based
    Supercharged LS1
    GD J1M

  5. #5
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    Pretty sure it is just over 7.5 litres for an LS3

    Paul
    AK, on the road Oct 2012

  6. #6
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    6.5 litres rings a bell with me
    Charlie
    Joint Area Rep - East Midlands Region
    AKCharlie - ''AKA SOOTY'' - AK GEN2 - LS3 - 6.2litre - 434bhp - A dream come true
    .

  7. #7
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    Put 5 litres in and dip the oil, if not to level then keep adding half a litre until it is at level, then run engine till warm, stop it and after ten minutes dip it again and top up as necessary. Once filled you'll know exactly how much oil your particular engine/sump combination takes!

  8. #8
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    Just do not overfill at the beginning - TonyM method above makes good sense and avoids any spillage or unnecessary smoke !
    You can always top up - but not so easy to remove excess
    Chris Lutman -427SC Coupe / MG Tojeiro "LOY" replica

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