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#4807307 - 07/07/18 12:50 AM Lowest Noack oil for my 2018 VW GTI
garlicbreadman Offline


Registered: 06/14/10
Posts: 870
Loc: USA
Hello

I have 2k miles on my oem fill. I plan to change my oil at about 3500 miles. Got a few questions. I want to prolong carbon build up as much as i can.

1) Whats the lowest noack oil from the big oil companys(m1, castrol, valvoline, pennzoil) that meets vw 502 505 specs?
2) Torn between 5w40 and 0w40, which generally has lower noack? I live in san Francisco.

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#4807308 - 07/07/18 01:10 AM Re: Lowest Noack oil for my 2018 VW GTI [Re: garlicbreadman]
edyvw Offline


Registered: 03/08/12
Posts: 5058
Loc: Colorado Springs
Originally Posted By: garlicbreadman
Hello

I have 2k miles on my oem fill. I plan to change my oil at about 3500 miles. Got a few questions. I want to prolong carbon build up as much as i can.

1) Whats the lowest noack oil from the big oil companys(m1, castrol, valvoline, pennzoil) that meets vw 502 505 specs?
2) Torn between 5w40 and 0w40, which generally has lower noack? I live in san Francisco.

In theory, 5W40 should have lower NOACK then 0W40. However, that is if both oils have same base oil etc. That is usually not the case. I would say safest bet would be Castrol 0W40. Old VISOM based M1 0W40 had NOACK 8.7% (Castrol 0W40 has NoACK of 9.1%) but there is no info on new GTL based M1 0W40. It should have lower NOACK but at the same time it has very high % of sulfated ash, which is not good when it comes to CBU.
I would look W30 oils. 0W30 and 5W30 should have lower NOACK then W40 oils.
Now since you are in CA you should have low sulfur gas. That means you could use VW504.00/507.00 oils. Mobil1 5W30 ESP meets that specification. According to some tests that oil has NOACK of 5.6%. Your 2018 GTI is approved for VW504.00/507.00. However, since that spec. has lower SAPS< I would do 3K and do UOA to see TBN retention and go from there.


Edited by edyvw (07/07/18 01:11 AM)
_________________________
13' BMW X5 35d (Mobil1 5W30 ESP+OEM filter)
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)

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#4807335 - 07/07/18 05:07 AM Re: Lowest Noack oil for my 2018 VW GTI [Re: garlicbreadman]
mx5miata Offline


Registered: 03/28/10
Posts: 549
Loc: NY
VW's use Castrol Edge last I knew stick with it and OE filter.
_________________________
NAPA FULL SYNTHETIC 0w20 Partsplus oil filter
Wix air filter

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#4807375 - 07/07/18 06:57 AM Re: Lowest Noack oil for my 2018 VW GTI [Re: garlicbreadman]
LotI Offline


Registered: 01/01/13
Posts: 1289
Loc: America's Dairyland
Driving style has a lot to do with valve deposits...more than oil choice I might argue. Provided you use 502 oil of course.

If you short trip you should have bought a different car. With the maturity of this motor VW should have figured it out by now but I guess they’ve been a little distracted!
_________________________
03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
17 VW GTI
[IMG]http://badges.fuelly.com/images/sig-us/803455.png[/IMG]

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#4807382 - 07/07/18 07:08 AM Re: Lowest Noack oil for my 2018 VW GTI [Re: garlicbreadman]
dbias Offline


Registered: 12/24/14
Posts: 147
Loc: USA
504/507 oil TBN starts low but doesn't come down as fast in my experience. I did a couple uoa on my 2015 Passat TDI at 10k miles and TBN was 3.8 left on both samples. That was the 5w-30 castrol edge professional I bought from the dealer.
_________________________
2011 VW JETTA Castrol Edge 0W-40
2012 FORD TRANSIT CONNECT Castrol Edge 5W-20
2016 HONDA CIVIC COUPE Castrol Edge 0W-20
2017 AUDI A4 Ravenol SSL 0W-40

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#4807423 - 07/07/18 08:23 AM Re: Lowest Noack oil for my 2018 VW GTI [Re: garlicbreadman]
Bjornviken Offline


Registered: 12/06/17
Posts: 261
Loc: Finland
Mobil 1 0w-40,Shell helix ultra 5w-40 or Pennzoil 5w-40 if you want your engine to stay clean and have trouble free crank case ventilation

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#4807531 - 07/07/18 10:12 AM Re: Lowest Noack oil for my 2018 VW GTI [Re: garlicbreadman]
CT8 Offline


Registered: 10/09/14
Posts: 11219
Loc: Idaho
NOACK? Seriously?
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4807606 - 07/07/18 11:37 AM Re: Lowest Noack oil for my 2018 VW GTI [Re: edyvw]
garlicbreadman Offline


Registered: 06/14/10
Posts: 870
Loc: USA
Originally Posted By: edyvw
Originally Posted By: garlicbreadman
Hello

I have 2k miles on my oem fill. I plan to change my oil at about 3500 miles. Got a few questions. I want to prolong carbon build up as much as i can.

1) Whats the lowest noack oil from the big oil companys(m1, castrol, valvoline, pennzoil) that meets vw 502 505 specs?
2) Torn between 5w40 and 0w40, which generally has lower noack? I live in san Francisco.

In theory, 5W40 should have lower NOACK then 0W40. However, that is if both oils have same base oil etc. That is usually not the case. I would say safest bet would be Castrol 0W40. Old VISOM based M1 0W40 had NOACK 8.7% (Castrol 0W40 has NoACK of 9.1%) but there is no info on new GTL based M1 0W40. It should have lower NOACK but at the same time it has very high % of sulfated ash, which is not good when it comes to CBU.
I would look W30 oils. 0W30 and 5W30 should have lower NOACK then W40 oils.
Now since you are in CA you should have low sulfur gas. That means you could use VW504.00/507.00 oils. Mobil1 5W30 ESP meets that specification. According to some tests that oil has NOACK of 5.6%. Your 2018 GTI is approved for VW504.00/507.00. However, since that spec. has lower SAPS< I would do 3K and do UOA to see TBN retention and go from there.


Thank you! Solid info

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#4807614 - 07/07/18 11:46 AM Re: Lowest Noack oil for my 2018 VW GTI [Re: garlicbreadman]
sloinker Offline


Registered: 08/13/17
Posts: 109
Loc: WY
I will have to find it again but it seems that the Calcium used in oils is the biggest culprit in LSPI for modern engines. Changing oil as often as you plan means Noack should be of less concern than those who have longer OCI's. Here's a link.
http://viewer.zmags.com/publication/ad7eebf9#/ad7eebf9/40

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#4807626 - 07/07/18 12:01 PM Re: Lowest Noack oil for my 2018 VW GTI [Re: sloinker]
edyvw Offline


Registered: 03/08/12
Posts: 5058
Loc: Colorado Springs
Originally Posted By: sloinker
I will have to find it again but it seems that the Calcium used in oils is the biggest culprit in LSPI for modern engines. Changing oil as often as you plan means Noack should be of less concern than those who have longer OCI's. Here's a link.
http://viewer.zmags.com/publication/ad7eebf9#/ad7eebf9/40

Euro engines and oils do not have those issues as far as I know.
_________________________
13' BMW X5 35d (Mobil1 5W30 ESP+OEM filter)
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)

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#4807627 - 07/07/18 12:02 PM Re: Lowest Noack oil for my 2018 VW GTI [Re: dbias]
edyvw Offline


Registered: 03/08/12
Posts: 5058
Loc: Colorado Springs
Originally Posted By: dbias
504/507 oil TBN starts low but doesn't come down as fast in my experience. I did a couple uoa on my 2015 Passat TDI at 10k miles and TBN was 3.8 left on both samples. That was the 5w-30 castrol edge professional I bought from the dealer.

That is because it is TDI.
Gasoline is different issue. In my VW CC with 2.0T I barely made 3K with Mobil1 5W30 ESP before TBN dropped below 1.
_________________________
13' BMW X5 35d (Mobil1 5W30 ESP+OEM filter)
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)

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#4807694 - 07/07/18 01:24 PM Re: Lowest Noack oil for my 2018 VW GTI [Re: CT8]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1232
Loc: Winchester, Indiana
Originally Posted By: CT8
NOACK? Seriously?


Word.

There's so many more intelligent important (don't want to hurt anyone's feelings) things to base your pick of an oil for your engine, than to blindly pick an oil based solely on its lighter fractions evaporation rate at a temperature most oils and engines will never see.

99% of Americans are a fickle bunch, and will never ever keep ANY vehicle long enough to see the difference between today's oils that meet the specs for whatever engine they are using. The other 1% who do keep a vehicle long enough to see the differences between oils know that nothing mechanical runs forever, and periodically requires some TLC in the driveway. Other than the VW sludgers, most all engine failures and recalls of the past 20 years have been due to manufacturing defects, stupid engineers, or CAFE requirements that ask engines to do something they aren't intended to do nor are very good at (high boost at low RPM). Just my .02, but you are obviously free to interpret and take action as you wish. smile
I'd pick whatever spec oil is available and fits your budget, because honestly, with upper and lower limits for nearly all elemental components of engine oils today, there is very little room to differentiate between competitors when talking spec oils. It all comes down to how well their marketing department works. Hundreds of statistically similar UOAs don't lie.

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#4807842 - 07/07/18 05:17 PM Re: Lowest Noack oil for my 2018 VW GTI [Re: edyvw]
dbias Offline


Registered: 12/24/14
Posts: 147
Loc: USA
Originally Posted By: edyvw
Originally Posted By: dbias
504/507 oil TBN starts low but doesn't come down as fast in my experience. I did a couple uoa on my 2015 Passat TDI at 10k miles and TBN was 3.8 left on both samples. That was the 5w-30 castrol edge professional I bought from the dealer.

That is because it is TDI.
Gasoline is different issue. In my VW CC with 2.0T I barely made 3K with Mobil1 5W30 ESP before TBN dropped below 1.


Good point about the low sulfur in diesel but i think the sulfur in gasoline had come down in the last couple years so maybe the TBN would hold up better now. will have to look for 504/507 uoa
_________________________
2011 VW JETTA Castrol Edge 0W-40
2012 FORD TRANSIT CONNECT Castrol Edge 5W-20
2016 HONDA CIVIC COUPE Castrol Edge 0W-20
2017 AUDI A4 Ravenol SSL 0W-40

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#4808026 - 07/07/18 10:55 PM Re: Lowest Noack oil for my 2018 VW GTI [Re: SubieRubyRoo]
edyvw Offline


Registered: 03/08/12
Posts: 5058
Loc: Colorado Springs
Originally Posted By: SubieRubyRoo
Originally Posted By: CT8
NOACK? Seriously?


Word.

There's so many more intelligent important (don't want to hurt anyone's feelings) things to base your pick of an oil for your engine, than to blindly pick an oil based solely on its lighter fractions evaporation rate at a temperature most oils and engines will never see.

99% of Americans are a fickle bunch, and will never ever keep ANY vehicle long enough to see the difference between today's oils that meet the specs for whatever engine they are using. The other 1% who do keep a vehicle long enough to see the differences between oils know that nothing mechanical runs forever, and periodically requires some TLC in the driveway. Other than the VW sludgers, most all engine failures and recalls of the past 20 years have been due to manufacturing defects, stupid engineers, or CAFE requirements that ask engines to do something they aren't intended to do nor are very good at (high boost at low RPM). Just my .02, but you are obviously free to interpret and take action as you wish. smile
I'd pick whatever spec oil is available and fits your budget, because honestly, with upper and lower limits for nearly all elemental components of engine oils today, there is very little room to differentiate between competitors when talking spec oils. It all comes down to how well their marketing department works. Hundreds of statistically similar UOAs don't lie.

European manufacturers are very, very specific about NOACK.
Average American does not drive GTI.
Not sure how CAFE is stupid, but some people survived 20th and moved to 21st century. I understand that in some parts of the U.S. (like in my neighboring states) it is still struggle to move to 20th century.
_________________________
13' BMW X5 35d (Mobil1 5W30 ESP+OEM filter)
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)

Top
#4808027 - 07/07/18 10:57 PM Re: Lowest Noack oil for my 2018 VW GTI [Re: dbias]
edyvw Offline


Registered: 03/08/12
Posts: 5058
Loc: Colorado Springs
Originally Posted By: dbias
Originally Posted By: edyvw
Originally Posted By: dbias
504/507 oil TBN starts low but doesn't come down as fast in my experience. I did a couple uoa on my 2015 Passat TDI at 10k miles and TBN was 3.8 left on both samples. That was the 5w-30 castrol edge professional I bought from the dealer.

That is because it is TDI.
Gasoline is different issue. In my VW CC with 2.0T I barely made 3K with Mobil1 5W30 ESP before TBN dropped below 1.


Good point about the low sulfur in diesel but i think the sulfur in gasoline had come down in the last couple years so maybe the TBN would hold up better now. will have to look for 504/507 uoa

It is bit confusing, it is average requirement. Gas refiners could hypothetically ship gasoline up to 80ppm as long as average is I think 15ppm.
That means majority of that low average is already consumed by CA.
_________________________
13' BMW X5 35d (Mobil1 5W30 ESP+OEM filter)
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)

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