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#4623160 - 01/03/18 09:16 PM Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester
KL31 Offline


Registered: 06/03/16
Posts: 549
Loc: South OZ
Here's my UOA that I finally had done. Not sure why they didn't provide me with a TBN. That was my main goal with getting the UOA so I emailed them about that. Silicon looks high, I might change air filter soon or take a look at it.

All city driving. Approx 17 months in service. Many short trips.

N/A engine, Automatic, and 103,000kms.





Edited by KL31 (01/03/18 09:18 PM)
_________________________
95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn

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#4623332 - 01/04/18 04:04 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
SR5 Offline


Registered: 07/07/15
Posts: 4462
Loc: Down Under
Hey KL31,

Just on 6000 miles giving 15 ppm Iron looks OK to me. The copper at 13 ppm could be a touch high, but I don't know these engines and how they handle lots of short tripping, it could be normal. I agree with you about the silicon at 34 ppm, time to take a look at the air filter.

But a big thanks for doing this UOA of the Aussie Edge 5W30 A3/B4 as this is my first look at it's add pack:
Ca ~ 2730 ppm
Mo ~ 70 ppm
Zn ~ 1060 ppm (API SL)
B ~ 40 ppm (but this can deplete with usage, so it may have started higher)

No Ti or TBN, which is a shame, but I've seen enough to be happy with that add package.

The viscosity is still in grade with KV100 = 10.4 cSt, but according to the Castrol data sheet it's starting viscosity was 12.0 cSt, with a starting TBN of 10.2 with a HTHS of 3.6 cP.

Thanks again
_________________________
Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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#4623335 - 01/04/18 04:11 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
KL31 Offline


Registered: 06/03/16
Posts: 549
Loc: South OZ
Yeah noticed the KV100 and KV40 are lower than what's on castrol's data sheets. Could just be some dilution from previous oil fill. I had Subaru do the one before this and they might have used 0W20, not sure. They didn't state what grade.

But if whatever clings to the engine is still a 20 grade and that mixes a little with the Edge, then it could be what caused it to lower a tad.

OR they mixed my results up with someone else. Didn't know Edge A3/B4 had moly in it??
_________________________
95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn

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#4623464 - 01/04/18 07:59 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
Garak Offline


Registered: 12/05/09
Posts: 24574
Loc: Regina, Saskatchewan, Canada
Could the moly be leftover from a previous fill, too?
_________________________
Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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#4623549 - 01/04/18 09:13 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
Phishin Online   content


Registered: 05/01/12
Posts: 2428
Loc: Indiana
I have reported here on BITOG good UOA's with heavier oils in our Forester.

I'd run Castrol 0w30 in the winter and M1 5w40 TDT in the summer. UOA's always looked stellar.
_________________________
2018 Chevy Silerado 3500HD 6.0L Gas: Undecided
2010 Accord-LX K24: VSP 0w20/MaxLife 10w30 + LG BioTech HD
2014 CR-V LX K24: M1 0w30

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#4624004 - 01/04/18 03:37 PM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
KL31 Offline


Registered: 06/03/16
Posts: 549
Loc: South OZ
Looking at some of the other Castrol Edge UOA, they do have moly too. Funny that there's no titanium reading. They specifically say on their website that it's one of the metals they test for. I'll ring them up today and query that along with TBN.

If they don't the do TBN, then I'm not sure how they're in business. Surely big machinery would rely on a TBN reading?

@ Phishing, the Edge A3/B4 is pretty close to a 40 gradeto begin with, mine ended up thinner but could be a little oil dilution from previous mix and lab error margin too. Don't really have a cold winter here either so 0w is not needed. Could run 15W oil without issue all year around.



Edited by KL31 (01/04/18 03:38 PM)
_________________________
95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn

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#4624248 - 01/04/18 07:52 PM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
zeng Offline


Registered: 09/01/15
Posts: 2188
Loc: Malaysia
With 'low' sulfur fuel, OCI could be extended to 15000 km or more though Fe/Cu appears a tad high but fine, I suppose.

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#4624420 - 01/05/18 12:04 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
Garak Offline


Registered: 12/05/09
Posts: 24574
Loc: Regina, Saskatchewan, Canada
Originally Posted By: KL31
@ Phishing, the Edge A3/B4 is pretty close to a 40 gradeto begin with, mine ended up thinner but could be a little oil dilution from previous mix and lab error margin too. Don't really have a cold winter here either so 0w is not needed. Could run 15W oil without issue all year around.

Note that the North American view of A3/B4 is kind of skewed, since a 0w-XX version is the most common, and they're almost all marketed as premium synthetics. Finding a 5w-30 A3/B4 can be a bit of a chore here, so you're using a bit of a unicorn to us. wink I can get that Castrol 5w-30 A3/B4 off the shelf here, but Wakefield doesn't let grass grow under their feet in Canada.
_________________________
Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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#4624468 - 01/05/18 03:26 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
KL31 Offline


Registered: 06/03/16
Posts: 549
Loc: South OZ
I rang up and they were vague but apparently you have to request TBN on the paperwork. The bloke said they needed to use chemicals and different equipment and whatnot to test the TBN. They're doing it for free but it's usually $30 extra... bit pricey. Should get result on Monday.
_________________________
95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn

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#4625111 - 01/05/18 03:52 PM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: Garak]
SR5 Offline


Registered: 07/07/15
Posts: 4462
Loc: Down Under
Originally Posted By: Garak
Finding a 5w-30 A3/B4 can be a bit of a chore here, so you're using a bit of a unicorn to us. wink I can get that Castrol 5w-30 A3/B4 off the shelf here, but Wakefield doesn't let grass grow under their feet in Canada.


It's good you can get the same stuff in Canada.

The Castrol Edge 5W30 A3/B4 is very common here, it's a Group III synthetic but rated A3/B4, MB 229.5 and BMW LL-01. Lots of people use it around here in their non-Euro cars even though it's "only" API SL due to it's elevated zinc levels. It regularly goes on sale here and I was lucky to get some at $25 for 5L, which is a very good price here.

I'm coming up to an oil change soon, and I have some Edge 5W30 A3/B4 in my stash, but also some on the new full synthetic Magnatec 5W30 (SN & A3/B4) and some of the new Castrol Edge 10W30 (SN & A5/B5). I assume they are all Group III synthetics, which I am very fine with. I'm not too sure which of these three to use next.
_________________________
Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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#4627411 - 01/07/18 08:05 PM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: SR5]
Garak Offline


Registered: 12/05/09
Posts: 24574
Loc: Regina, Saskatchewan, Canada
I've seen it at one parts store, at least, but the Castrol 0w-30 A3/B4 has more retail traction.
_________________________
Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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#4627688 - 01/08/18 01:53 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
KL31 Offline


Registered: 06/03/16
Posts: 549
Loc: South OZ
Got my TBN result today. Was 3.1 and I'll update the report picture later today.

Not sure how much longer it could be run as TBN depletion is not always linear. I do use regular 91 RON instead of 98. Not sure of that would make much of a difference. Was in the engine for almost 18 months so maybe I'll try 11,000 or 12,000 next.

But 18 months is a good effort, probably 250 - 300 hours of driving time. If that was all an average of 80kmph I'd be getting 20000 to 24000 kms. But in mostly city traffic with 50-60 km speed limits and stop go situations it's more like 30-40 kmph average.
_________________________
95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn

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#4627704 - 01/08/18 02:59 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
CharlieBauer Offline


Registered: 03/29/16
Posts: 1177
Loc: CA
Personally, I wouldn't go further.

My vehicles are apparently driven similarly to yours in terms of mileage in the given time and hours.

When I've pushed time / mileage so that TBN falls below 3, I've just felt too much of a difference between new oil and the old oil.

In fact, once, it was actually the feeling of roughness that prompted me to do the oil change.

There are reputable sources that say a TBN of 3 or 35% of virgin is the cut off point.

I've settled on that and comments from SonofJoe about possible negative effects of consecutive lengthy ocis have also influenced me.
_________________________
It ain't what you don't know that gets you into trouble. It's what you know for sure that ain't so.

- mistakenly attributed to Mark Twain

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#4627717 - 01/08/18 04:24 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
zeng Offline


Registered: 09/01/15
Posts: 2188
Loc: Malaysia
12000 km is easy for this oil, albeit many short trips.


Edited by zeng (01/08/18 04:25 AM)

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#4627735 - 01/08/18 05:14 AM Re: Castrol Edge 5W30 A3/B4 - 9564 km 2006 Forester [Re: KL31]
KL31 Offline


Registered: 06/03/16
Posts: 549
Loc: South OZ
Probably the first 6 months of the OCI I wasn't driving the car as much but now it's getting almost daily driven 20km each way to work. I calculate that I can do just over 10,000kms in 12 months. I'll see where I end up by the end of the year and UOA again if I'm over 10,000. See if I can detect any air leaks too with that silicon. Very rarely I will get a slight uneven idle and I wonder if there's a small leak somewhere around the intake track. There have been a lot of dusty road works too though, so could be anything but worth a look!

FYI charlie, I didn't note any difference between old oil and new but 100% have felt that in an old Renault I used to flog around in!
_________________________
95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn

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