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Moreys oil stabalizer.

Discussion in 'VF Holden Commodore (2013 - 2017)' started by Wayne001, Oct 31, 2019.

  1. Wayne001

    Wayne001 Active Member

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    Has any body used moreys oil stabalizer ? I am thinking of trying in my vf 6ltr calais just to quiet down a slight lifter noise i have . Any input would be muchly appreciated .
     
  2. shane_3800

    shane_3800 Active Member

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    It wont do anything. When a lifter is noisy the roller already has a flat spot and oil additives are a snake oil fix.
    You need to do cam bearings, cam, lifters at a minimum we also do the oil pump and timing chain where I work. But it's easier to just do a rebuild.
     
  3. Wayne001

    Wayne001 Active Member

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    Mine is 6ltr no timing chain , it is only a slight noise . It has the dod system , will it block up this system ?
     
  4. shane_3800

    shane_3800 Active Member

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    Yes it does have a timing chain how else does the cam get driven?
     
  5. Wayne001

    Wayne001 Active Member

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    Oops , my bad . Sorry .
     
  6. 426Cuda

    426Cuda SUBLIME!

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    How bad is it? Can you post a sound clip or vid?
     
  7. Wayne001

    Wayne001 Active Member

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    I will try but is not that bad i am just a bit fussy. I would say it is just one lifter on the drivers side , every so often when it sits for a couple of nights it bleeds down and clacks for a second or two on start up .
     
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  8. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    So basically you take the symptom of a noisy lifter and conclude a full engine rebuild?

    You do know that hydraulic lifters can tick without causing complete engine failures right?
     
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  9. shane_3800

    shane_3800 Active Member

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    Yes I know. But 99% of the time with the VE 6l engines the lifters are gone. The case hardening wears off the roller in one spot so you get little hard bits of metal through the pump. When you check the cam bearings they're allways worn. If you fail to rectify the bearings and the pump it could cause the same issue in less than 40,000km.
    So when I do one I strip the engine down to the short block and most people don't want to touch the pistons and rods but it's not much extra to just do the whole engine.

    So no a rebuild is not nessacery but it's they way I would go myself.
     
  10. EYY

    EYY Well-Known Member

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    Ls engine’s are strange things. You can hear every little sound - and it becomes easier to hear when you fit extractors and remove engine covers.

    They’re very sensitive to different oils too - but only in terms of the sounds the engine will make. They’re pretty robust - I wouldn’t worry about it.
     
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  11. shane_3800

    shane_3800 Active Member

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    I've got two ruined cams on the bench at work right now one l76 the other l77 I've seen l98's do the same thing.
     
  12. MattSAU2XR8

    MattSAU2XR8 Member

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    If the lifter clicks for a few seconds after the car hasn't been run for a few days I think this is called 'bleeding down'? Basically some of the oil has leaked out of it and will be filled up again within a few seconds of starting the engine? Not sure that this needs a new lifter - my VE SS would do this at 50 kkms and so would Mum's Camry at the same mileage. The other thing to think about would be the oil filter - possibly the anti-drain-back valve is not working properly and so takes a little longer to get oil pressure and fill said lifter. Or if you are running thicker oil it might take longer to fill the system on startup...
     
  13. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    Does the LS3 use the DOD system on the VF?

    The DOD lifters do have a reputation for failing/collapsing? IF the DOD isn't used, put standard lifters in the sucker and the problem is solved.
    [​IMG]
    As you can see, the DOD lifters are bigger/heavier. If they aren't needed than deleting em is good for piece of mind. I believe LS7 lifters are a direct replacement and can be had for a decent price. That is, if it's the way you want to go.

    Do some research on the GM DOD system and lifter failures, it's is a fairly common issue (the DOD part failing that is).
     
  14. shane_3800

    shane_3800 Active Member

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    I have a l77 here that has one of the non active lifters dead. it's not the DOD system it's a lack of oil supply caused by worn cam bearings.

    Any way people can do what they want if they don't listen to some guy on a forum then good.
     
  15. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    I mention the DOD system as the OP said his car has it fitted.
     
  16. Brown Dog

    Brown Dog Member

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    LS3 doesn't have DOD - i think the OP is 6.0L
     
  17. abuch47

    abuch47 Active Member

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    No LS3 has DOD, the 6.2L AFM variant is called L99 not offered in australian models.
     
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  18. 426Cuda

    426Cuda SUBLIME!

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    Better to see a good mechanic and have it properly diagnosed. The reality is, there is nowhere near enough information here to diagnose this. There may be nothing at all wrong with this L77. Conversely it may have one or more lifters about to fail, as you have assumed. But, jumping to the worst case scenario based on a couple of paragraphs, then getting all defensive and acting like you're the only person who knows **** is just egomaniacial.
     
  19. shane_3800

    shane_3800 Active Member

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    As I said if you dissagree thats fine. But I'll wager the OP comes back and tells us one of his lifters is borked. Yes it's impossible to diagnose on the internet but it's the same as I see a CMP correlation code on a V6 I know it's chains like I know lifter noise on a 6.0l is a shaged roller due to skating.
     
  20. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    It is interesting this roller follower skating fault, is it a GM problem or a general roller cam fault? I only ask as it's not a fault mentioned on the forum before and we see questions about all the common fault.
     
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