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#4445691 - 06/30/17 07:47 AM What does ACEA A1/B1 mean?
chiefsfan1 Offline


Registered: 09/27/14
Posts: 1152
Loc: Missouri
I was at Wally World browsing the motor oils. I was looking at what other 5W20 oils for the Escape. I'm using the Magnatec on my first change that I have on hand.

I noticed on the Castrol EDGE 5W20 it has the A1/B1 spec plus GF-5 and the other GM and Ford specs it meets.
The Magnatec does not list the A1/B1 nor does M1 5w20.

Is the A/B1 a 'better' more stout spec?
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#4445713 - 06/30/17 08:13 AM Re: What does ACEA A1/B1 mean? [Re: chiefsfan1]
JustN89 Offline


Registered: 06/27/17
Posts: 459
Loc: DFW
The ACEA ratings are the European ratings. Someone correct me if I'm wrong, but I thought the ACEA removed A1/B1 classifications last year? According to oilspecifications.org, it was removed and if that is the case, the new full synthetic Magnatec formulation wouldn't have had the need to get the A1/B1 classification.

I do have a somewhat similar question though:

My Elantra manual states to use an oil that is API SN/GF-5 and that is "A5/B5 or higher". I don't concern myself too much with it as I look mostly at API Specs/Dexos qualifications, but I wasn't exactly sure what it means by "or higher". Would A3/B3 and A3/B4 be considered higher or lower than A5/B5?

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#4445714 - 06/30/17 08:14 AM Re: What does ACEA A1/B1 mean? [Re: chiefsfan1]
wemay Offline


Registered: 04/04/12
Posts: 8861
Loc: Southeast Florida
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#4445726 - 06/30/17 08:19 AM Re: What does ACEA A1/B1 mean? [Re: wemay]
chiefsfan1 Offline


Registered: 09/27/14
Posts: 1152
Loc: Missouri
Originally Posted By: wemay


Oh great. Thanks! It just caught my eye when I saw that on the bottle.
_________________________
MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
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#4445727 - 06/30/17 08:19 AM Re: What does ACEA A1/B1 mean? [Re: chiefsfan1]
wemay Offline


Registered: 04/04/12
Posts: 8861
Loc: Southeast Florida
Dexos1 (Magnatec 5W20 meets this spec) is considered a tougher spec than SN/GF-5, here's how A1/B1 compares to Dexos1...





http://www.centerforqa.com/dexos-brand1/



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2017 Hyundai Sonata Sport 2.4L
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#4445750 - 06/30/17 08:48 AM Re: What does ACEA A1/B1 mean? [Re: wemay]
chiefsfan1 Offline


Registered: 09/27/14
Posts: 1152
Loc: Missouri
Originally Posted By: wemay
Dexos1 (Magnatec 5W20 meets this spec) is considered a tougher spec than SN/GF-5, here's how A1/B1 compares to Dexos1...





http://www.centerforqa.com/dexos-brand1/





Thanks. Interesting.
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MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
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#4445752 - 06/30/17 08:51 AM Re: What does ACEA A1/B1 mean? [Re: chiefsfan1]
LotI Online   sleepy


Registered: 01/01/13
Posts: 1265
Loc: America's Dairyland
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#4445770 - 06/30/17 09:04 AM Re: What does ACEA A1/B1 mean? [Re: LotI]
chiefsfan1 Offline


Registered: 09/27/14
Posts: 1152
Loc: Missouri
Originally Posted By: LotI


Thanks.
_________________________
MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
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#4445844 - 06/30/17 10:18 AM Re: What does ACEA A1/B1 mean? [Re: chiefsfan1]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2376
Loc: Balearic Islands , Spain
A1/B1 is a fuel economy oriented spec that has been superceded by A5/B5.
A3/B4 is a high performance spec which does not focus on fuel economy at all.
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1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

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#4445946 - 06/30/17 12:41 PM Re: What does ACEA A1/B1 mean? [Re: FordCapriDriver]
chiefsfan1 Offline


Registered: 09/27/14
Posts: 1152
Loc: Missouri
Originally Posted By: FordCapriDriver
A1/B1 is a fuel economy oriented spec that has been superceded by A5/B5.
A3/B4 is a high performance spec which does not focus on fuel economy at all.


Got it. I'm still a noob on what all the oil designations are.
It almost sounds like the A3/A4 would be better for a direct injected turbo like the 1.6
WSS-M2C945-A is Fords spec for 5w20.
_________________________
MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
2014 Escape SE 1.6 EcoBoost AWD

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#4445953 - 06/30/17 12:50 PM Re: What does ACEA A1/B1 mean? [Re: chiefsfan1]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2376
Loc: Balearic Islands , Spain
Using A3/B4 oil in an engine speccing A1/B1 , A5/B5 or A3/B3 is fine.
Now i don't think you're gonna find too many 5W-20s with a HTHS of over 3.5 ( required to meet A3/B4 )
To get a A3/B4 oil you'll need a 5W-30 at least.
_________________________
1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

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#4445964 - 06/30/17 01:14 PM Re: What does ACEA A1/B1 mean? [Re: FordCapriDriver]
chiefsfan1 Offline


Registered: 09/27/14
Posts: 1152
Loc: Missouri
Originally Posted By: FordCapriDriver
Using A3/B4 oil in an engine speccing A1/B1 , A5/B5 or A3/B3 is fine.
Now i don't think you're gonna find too many 5W-20s with a HTHS of over 3.5 ( required to meet A3/B4 )
To get a A3/B4 oil you'll need a 5W-30 at least.


None I looked at have that spec. Its still under power train warranty so I may need to keep it 5w20 for now.
_________________________
MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
2014 Escape SE 1.6 EcoBoost AWD

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#4445967 - 06/30/17 01:17 PM Re: What does ACEA A1/B1 mean? [Re: chiefsfan1]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2376
Loc: Balearic Islands , Spain
That's a good idea, i'm not saying that a 5W-30 A3/B4 oil would necessarily be a better oil than what Ford recomends, but it won't do any harm either.
_________________________
1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

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#4446107 - 06/30/17 04:47 PM Re: What does ACEA A1/B1 mean? [Re: chiefsfan1]
Gokhan Offline


Registered: 12/29/10
Posts: 2987
Loc: Los Angeles, California
A1/B1 hasn't been superseded by A5/B5. It's a current ACEA category. Most ACEA oils are synthetic or synthetic-blend -- sort of like dexos1 and dexos2 as others pointed out.

A1/B1 is mid-SAPS, while A3/B4 and A5/B5 are high-SAPS. Many car manufactures are recommending low-SAPS (such as ACEA C1 and ACEA C4 and also ACEA C2 and ACEA C3 to some extent) for direct-injection engines, as high-SAPS oils have shown to lead to catastrophic intake-valve deposits in these engines. I don't think it's a good idea to use a high-SAPS (high-ash) oil in a direct-injection engine for that reason. It will probably void your power-train and emissions warranty as well. Stay with what is recommended.
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1985 Toyota Corolla LE, 4A-LC engine, ~ 270,000 M
Toyota (TGMO) 0W-20 SN synthetic
Mobil 1 EP M1-103 filter, 90430-12031 drain gasket

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#4446150 - 06/30/17 06:01 PM Re: What does ACEA A1/B1 mean? [Re: Gokhan]
NGRhodes Online   content


Registered: 01/06/13
Posts: 324
Loc: West Yorkshire, UK
Originally Posted By: Gokhan
A1/B1 hasn't been superseded by A5/B5. It's a current ACEA category. Most ACEA oils are synthetic or synthetic-blend -- sort of like dexos1 and dexos2 as others pointed out.

A1/B1 is mid-SAPS, while A3/B4 and A5/B5 are high-SAPS. Many car manufactures are recommending low-SAPS (such as ACEA C1 and ACEA C4 and also ACEA C2 and ACEA C3 to some extent) for direct-injection engines, as high-SAPS oils have shown to lead to catastrophic intake-valve deposits in these engines. I don't think it's a good idea to use a high-SAPS (high-ash) oil in a direct-injection engine for that reason. It will probably void your power-train and emissions warranty as well. Stay with what is recommended.


ACEA defines all A/B oils are high SAPS, C2/C3/C5 as mid SAPS and C1 and C4 as low SAPS.

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