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Vq25Det Oil Thread - So The Major Repairs Thread Isnt Derailed

MrStabby

By MrStabby,
in Four Door Family & Wagoneers

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scotty nm35 Grand Master

scotty nm35

Posted
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Synx 3000 is definitely not a crappy oil. And I did mention stock M35... I would still run it in mine without hesitation. Whacky logic? Ok... Sure... There are plenty of Stagea's running around on it without issue.

We are driving low priced cars now, I was offered a working Stagea for 6k the other day... If you feel the need to blow $170 on an oil change, go right ahead.

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MrStabby
MrStabby

Oil sample #3 looking good at 7500kms. Oil is Mobil 1 0W-40. Viscosity is good, TBN is good, just some oxidation. I have noticed the temp gauge which is usually steadfast at about 2/5s has taken a few

MrStabby
MrStabby

8200kms and looking good. As usual the oil is Mobil 1 0W-40. Since TBN (indicator of additive level) is still very high, and viscosity is good, ill run the next change out to 10k. Oxidation number is

MrStabby
MrStabby

Jetwreck said: --------------------------------------------------------------- I'm with you Duncan about the 40 figure.....it's the 5W30 or even worse the 0W30 figure in Australia that does not suit

MrStabby Grand Master

MrStabby

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Synx 3000 is definitely not a crappy oil. And I did mention stock M35... I would still run it in mine without hesitation. Whacky logic? Ok... Sure... There are plenty of Stagea's running around on it without issue.

We are driving low priced cars now, I was offered a working Stagea for 6k the other day... If you feel the need to blow $170 on an oil change, go right ahead.

Synx 3000 is a only semi-syn, and AFAICT GW don't publish HTHS specs either. Running a semi in a turbo car is not worth it IMO.

By whacky logic, i mean that you're suggesting a shorter OCI (which is more conservative) but a lower grade of oil (which is less conservative). To me that combo is mixed up.

No need to blow $170 when the Valvoline and Shell are in the $60-65 range, and you can get 6 quarts of American M1 on ebay (so no Australia tax) for $70.

scotty nm35 Grand Master

scotty nm35

Posted
Posted

What's wrong with a semi, better than running around with a raging boner...

US spec M1, isn't that a 0w? Go for it I say, see if you logic holds... I will stick to what works.

Daleo Grand Master

Daleo

Posted
Posted

Very interesting read on oil if you have the time to read the article...

http://www.evolutionoz.net/forums/index.php?showtopic=87122

Can't read; Emo forum wants me to be their friend.

I thought Emo's were happy alone?

  • 4 weeks later...
MrStabby Grand Master

MrStabby

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How much does the Neo cost? Unless its cheap I would just get the same weight in something else full synth. Its good, but there's plenty of good oils around.

MrStabby Grand Master

MrStabby

Posted
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Neo's about 120 for 5 lts.....but its good for 8-15k on a standard setup.

Ouch. On most motors if you're paying that much you'd be better off with Redline or Motul 300V which IMO are better oils at about the same price. Maybe the neo additive pack works particularly well with the vq25det?

whitestag Community Regular

whitestag

Posted
Posted

its just whats in it at the moment, 2nd change since new turbo,thought i stick with it as i do give it alot on a regular basis. i dont like 5k intervals. i like 8-10k

Jetwreck Grand Master

Jetwreck

Posted
Posted

Ouch. On most motors if you're paying that much you'd be better off with Redline or Motul 300V which IMO are better oils at about the same price. Maybe the neo additive pack works particularly well with the vq25det?

huh? Tried redline.....the 32 burn's it......while Motul is good it still doesn't match up to the Neo. The last time we used Motul it came out of our engine pretty black.....the Motul always comes out clean.

Jetwreck Grand Master

Jetwreck

Posted
Posted

The Neo comes out clean I assume?

Clean means the detergents aren't working well, which probably means it is more of a race engine oil.

this is correct

MrStabby Grand Master

MrStabby

Posted
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huh? Tried redline.....the 32 burn's it......while Motul is good it still doesn't match up to the Neo. The last time we used Motul it came out of our engine pretty black.....the Motul always comes out clean.

How did you make the assessment that it was burnt? Or do you mean you had to top up?

In what way did the Motul not match up to the Neo?

Jetwreck Grand Master

Jetwreck

Posted
Posted

Figured out it didn't stand up as well the same way we do it at the end if every race meeting. Dumped it and sent it for sampling.

DaveM35 Collaborator

DaveM35

Posted
Posted

I've used Liqui-Moly LEICHTLAUF SPECIAL LL 5W-30 for about the last 15000km at 5000km change intervals. My car's very close to stock with 70000km. Never had any problems with this oil, as far as noise or consumption goes, and happy with performance. It's long-life approved for BMW, MB, VW etc, but I just use it cause we only use Liqui-Moly at work and it's the one their website recommends for our engine. I get the LL for free but if I wanted to pay and probably after car gets nearer to 100k I think ill put the LEICHTLAUF HIGH TECH 5W-40 in.

I'd recommend Liqui-Moly oils to anyone but I wouldn't try change your mind at all if you've found a brand you like and trust.

  • 2 months later...
Erop Contributor

Erop

Posted
Posted

one enthusiast in Russia made a great job

it's not close to you, because our oils are too different, even when they have same names

but it's GREAT. use google translate and look at pics. take a pleasure at looking

i found this one some months ago, and happy that run the Aimol 5-40 oil since 2008 on my third Stagea now. 240000 km on it on current car.

http://bmwservice.livejournal.com/27699.html?page=8&cut_expand=1

  • 2 months later...
MrStabby Grand Master

MrStabby

Posted
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Analysis of Valvoline Syn Power 5W-40 below. OCI was 5500kms. I found out from the manual that the factory OCI is 5000kms not 10000kms.

Interesting points are;

- High silicon - my guess is that this is due to the horrible old air filter that was in the car when i bought it. Will check again to see if this has come back to normal next change

- The oil has sheared down to a 30 weight. Not a particular problem in itself since there is no abnormal wear, and Nissan speced down to a 0W-20 for the motor. However, all the info i see here and on BITOG is that VQ motors are tough on oil. The loss of viscosity supports that, however, I dont know how shear stable SynPower is. FYI the published viscosity for SynPower is 13.9, after 5500kms its at 11.9.

- TBN is still really high at 9.1, most are happy to run down to about 1 before condemning the oil. This is an indicator of additive level. Additives get used up in use.

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