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  1. #1
    casual poster hr671's Avatar
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    Default ls1 oil consumption

    i recall the first gen3 VTs had excessive piston to wall clearances with some requiring to be rebuilt.....what year was these problems fixed?...im looking at a 2000mdl to buy..thanks

  2. #2
    Part of the furniture khany454's Avatar
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    hi mate, going through a similar predicament at the moment myself!
    posted a thread n the chev section this arvo, i then remembered a guy i know worked for holden for 13yrs as a mechanic, he is also on darren morgans top fueller pit crew, this is what he wrote to me on facebook... "If you ain't going to keep it standard I wouldn't be scared by a vt, the only fix into vx was ring design, gudgeon pin clearance and Teflon coating on the skirts, all of which you would ditch anyway to modify, if it was one of the reworked motors there wil be an x stamped wif the engine number"
    hope this helps!

  3. #3
    been here .......too long Smitty2's Avatar
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    ..depends

    the very first were ok...but from late VT SII thru until late VX SII
    it was not only excessive clearances but also 'loose' rings

    I had a VX Series I manual SS sedan..which consumed the contents of its sump
    in the first 1500km. The detonation from the oil getting into the combustion chamber
    was so bad it ate the cylinder head surface. AT 5000km after an oil consumption test
    (that got cut short coz there was no oil in the sump) Holden had the engine rebuilt.
    At 10,000 a reco engine went in after ..after yep you guessed it, the engine ran out of oil
    and chewed itself up (I was under instructions NOT to fill it ).

    And then at 19,000 a brand new engine went in (yeah..same problem, excessive oil consumption)
    and that lasted another 4 years ok until I sold the car

    But one of my mates who runs a limo company, got over 400,000 out of a WL Grange
    and it did not drink anything!


    as I said, it depends
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  4. #4
    Part of the furniture khany454's Avatar
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    jeez thats a whole lot of lemons ya scored there!

  5. #5
    casual poster Drewie's Avatar
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    Bit of a history on my 2001 series 1 VX SS...

    Bought it new in July 2001, never used any oil but had a bit of piston slap noise when cold, Holden came out with the revised coated pistons mentioned above around March/April 2002, I had these fitted under warranty, Holden sent the engine to Orger Engines to be measured etc and it measured up ok and Orger fitted the new pistons, along with things like a revised oil pick and revised dipstick and tube, oil capacity was increased by 500ml, at this stage it got the X stamped on the block. To be honest it was a bit better but still had the noise when cold. The X on the block was more to do with the revised oil pick up than the rebuild as some of the early cars were suffering from oil surge.

    In June 2003 the gudgeon pins were revised I got on pretty well with the service manger at my local dealer and as I was still not happy he had the second set of revised pistons fitted, these were definetly better than the first revision, I still have the car it has only done 78,000km very slight noise when cold but absolutely silent when up to temp and uses next to no oil at all, and runs faultlessly.

    It was the luck of the draw back then some had no trouble at, others had lots of problems, all would have been fixed under warranty.

  6. #6
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    i had a vt2 clubsport not an issue ever

    My mate had 3 engines through his Vy ss.

    Hit and miss through the whole range until VZ i believe when they changed to the 6 litre

  7. #7
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    From What I can understand if you are seeking a standard LS1 I would be looking at a VY - sonetimes available in some VX 11 also
    Holden seem to describe it as an upgrade but what they did was use an LS6 Block and intake manifold - so not a full LS6 just those bits
    ever noticed that the incidence of complaints about VY and VZ - not that they are non existant just far greater reduced
    the Block revisions seem to be of greater strength better ventilation , probably why holden used them

    I have a VX sereis 1 and its oil consumption was high , I have replaced the motor-300k with a VY SS motor confirmed the block is LS6 and seems so far to consume less oil

  8. #8
    casual poster hr671's Avatar
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    Jeez...thanks for the replys all....it sounds like buying second hand is hit or miss....the bloke told me he tops up his oil 500ml per month....its done 250Ks...got some thinking to do

  9. #9
    been here .......too long Smitty2's Avatar
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    Quote Originally Posted by khany454 View Post
    jeez thats a whole lot of lemons ya scored there!
    umm..yep on my SS

    great paint, nice panel gaps no squeaks from the door or the plastic interior.but the drivetrain...sheesh

    engines (plural) as mentioned above...but
    it went back on a flat top after 3 days (with about 100kms) with a chewed up diff..the pinion was moving back and forth about 15mm!
    and of course took out all the teeth on the crownwheel

    and then when they did rebuild #1 it was found to be leaking from the gearbox...due to a crack in the casing where the clutch shaft was ( = new gearbox)
    and it was back a month later with no clutch as the adjuster springs has fallen out of the pressure plate

    and so on ..and so on....
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  10. #10
    Do you ever leave?
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    even the ve doesnt escape the faults mine has always leaked from the rear main since new but the rogue western australian dealerships are effing useless stating that its just a loose sump and the gearbox jumps out of first occaisionally so when it runs out of warranty in a couple of months the box is coming out and i will fix it propperly myself

  11. #11
    casual poster Drewie's Avatar
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    Quote Originally Posted by devil View Post
    From What I can understand if you are seeking a standard LS1 I would be looking at a VY - sonetimes available in some VX 11 also
    Holden seem to describe it as an upgrade but what they did was use an LS6 Block and intake manifold - so not a full LS6 just those bits
    ever noticed that the incidence of complaints about VY and VZ - not that they are non existant just far greater reduced
    the Block revisions seem to be of greater strength better ventilation , probably why holden used them

    I have a VX sereis 1 and its oil consumption was high , I have replaced the motor-300k with a VY SS motor confirmed the block is LS6 and seems so far to consume less oil
    All VX LS1's had the LS6 inlet manifold and larger injectors and there were a few Series 1 VX LS1's that had the LS6 block as well, we had 2 VX SS Series 1's in the family, both 2001 models, one had an LS1 block, where as mine has the LS6 block which went on to become the block used in VY/VZ from around 2003 onwards. Back then there were 2 suppliers of the engine blocks the LS6 blocks were cast at the Nemak plant in Mexico and the LS1 blocks were cast at the Montupet plant in Canada, they used different casting methods at the 2 plants, the Canada plant later adopted the process that the plant in Mexico was using.
    Last edited by Drewie; 14-08-2012 at 01:10 AM.

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    My understanding is that the VX 11 had alot of the mixed up LS6 Ls1 parts , My VX series 1 had the earlier manifold not Ls6
    and from what I am aware there was a running change with the injectors also
    all bit confusing really

  13. #13
    OMR346 pumba's Avatar
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    As well as manifolds, the heads are also different.
    Quote Originally Posted by cbkey View Post
    negative bunch...you never see me saying anything negative..

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    Quote Originally Posted by hq2door View Post
    even the ve doesnt escape the faults mine has always leaked from the rear main since new but the rogue western australian dealerships are effing useless stating that its just a loose sump and the gearbox jumps out of first occaisionally so when it runs out of warranty in a couple of months the box is coming out and i will fix it propperly myself
    Yep my 've drinks it and always has. Remember Holden V8s are made in Mexico mostly and been around a while before Holden use them. The Holden fix for the leaky sump gasket was to torque the bolts again

  15. #15
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    Quote Originally Posted by pumba View Post
    As well as manifolds, the heads are also different.
    are you referring to the LS6 head -243
    as on the LS1 VX -VZ they still used the LS1 head 241, just on an LS6 block

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