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What is more important in an oil? #5242681 10/17/19 07:03 PM
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Rglossip Offline OP
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My question is what is more important in an oil,the base oil or the additive package? Dino base or synthetic base vs additives.

Re: What is more important in an oil? [Re: Rglossip] #5242698 10/17/19 07:21 PM
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aquariuscsm Online Content
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It's all about the perfect equilibrium.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Advanced Durability 10W30

Re: What is more important in an oil? [Re: Rglossip] #5242716 10/17/19 07:43 PM
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kschachn Online Content
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The standards, specifications, licenses or approvals the oil meets or carries.


1994 BMW 530i, 250K
1996 Honda Accord, 280K
1999 Toyota Sienna, 425K
2000 Toyota ECHO, 284K
Re: What is more important in an oil? [Re: Rglossip] #5242779 10/17/19 08:54 PM
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Most important would be to buy a name brand that meets the specs.

Some of the brands from the dollar store or other seedy places do not meet the specs printed on their label.

Also important is to make sure its not returned used oil in a wiped clean container.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: What is more important in an oil? [Re: Rglossip] #5242906 10/18/19 04:17 AM
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Originally Posted by Rglossip
My question is what is more important in an oil,the base oil or the additive package? Dino base or synthetic base vs additives.

A quality base stock cannot survive without a decent add-pack, and vice-versa.
So, really, it's none of the above.
Actually, it's about wear rates and contamination control.
To that end, whatever gets you there, in your specific application, with the highest ROI is the "best" oil.
Don't worry about what's in the bottle; focus on what comes out of the crankcase. THAT is the truth ye should seek.

Last edited by dnewton3; 10/21/19 04:54 AM.

The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: What is more important in an oil? [Re: Rglossip] #5242913 10/18/19 04:27 AM
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Bailes1992 Offline
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Approvals, not 'meets or exceeds' and it must come from a reputable source.


19 Volvo V40 D3 Auto - 96 Defender 300TDi - 03 Ford Mondeo ST 3.0 V6
Engine - Castrol Edge 5w30 LL
Manual - Fuchs Sintofluid 75w80
ATF - Comma MVATF
Diff & Transfer - Fuchs Sintopoid 75w90
Re: What is more important in an oil? [Re: Rglossip] #5243349 10/18/19 12:12 PM
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andreigbs Offline
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For starters, having it in the appropriate amount in the crankcase. smile Yes, I'm talking to you Iffy Lube...


2014 MB GLK250 BT // 106,xxx miles // 34 MPG // LM TopTec 4605 5w30
2014 VW Jetta TDI // 40,xxx miles // 38 MPG // LM Longlife III 5w30
Re: What is more important in an oil? [Re: Rglossip] #5243696 10/18/19 07:37 PM
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For me:
It's a major brand oil that has a reputable track record
It's meets my engine's requirements
It's approved for use by the manufacturer of my engine
It's readily available across the country
The least expensive

Last edited by Dak27; 10/18/19 07:39 PM.
Re: What is more important in an oil? [Re: Rglossip] #5243719 10/18/19 08:11 PM
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Yeah, I have to agree. Whatever gets you the lowest wear rates and greatest longevity and cost effective. I actually have gotten the best value with a syn blend HDEO. 75% Group II+ and 25% Group IV PAO with a very good add pack. My Detroit 60 12.7L now has 1,030,560 miles on it and it is still all original (except water pump) and the wear metals in the UOA's look as good as they did at 50,000 miles. I even take the OCI 50% beyond the OEM recommended interval. Still only uses about 1 qt per 11-12,000 miles. I rarely give much attention to actual "approvals" and the "Meets and Exceeds" works just fine for me when it comes to reputable brands.


Freedom is not about having the choice to do what you want, but the choice to do what you ought.
Re: What is more important in an oil? [Re: Rglossip] #5243802 10/18/19 11:16 PM
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Additives help the base oil, not take the place of it. Using quality additives with a subpar base oil(s) is akin to putting lipstick on a pig...it will always be a pig.

A good performing finished lube starts with quality base oil(s) (the foundation) and builds off that.

Last edited by Mad_Hatter; 10/18/19 11:18 PM.
Re: What is more important in an oil? [Re: kschachn] #5243823 10/19/19 12:51 AM
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Originally Posted by kschachn
The standards, specifications, licenses or approvals the oil meets or carries.

This!

For me.....it has to meet ACEA A3/B4 or C3/C4 with additional MB/BMW/VW specs...


2008 Toyota Yaris 1ND-TV 1.4 D4-D Tech9 5W30 C3 VW 504/507
1997 Toyota Landcruiser KZJ95 3.0 TD Elf Evolution NF900 5W40
Re: What is more important in an oil? [Re: Rglossip] #5244015 10/19/19 08:31 AM
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Originally Posted by Rglossip
My question is what is more important in an oil...


Changing it on the right time.


Chevrolet Kadett EFI '94 (Neat ethanol) - Shell Rimula RT4X 15W40

Honda Fit '09 (FlexFuel) - Shell Helix HX8 5W30 > Motul 6100 SYN-nergy 5W30
Re: What is more important in an oil? [Re: LeoStrop] #5244032 10/19/19 08:43 AM
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Originally Posted by LeoStrop
Originally Posted by Rglossip
My question is what is more important in an oil...


Changing it on the right time.


Spot on. Your engine, your oil, your driving habits make your proper interval different from someone else's.


I use the overseas manual to choose my viscosity.

Using AMSOIL

Hers: 2008 Jeep Liberty 154k, SS 5w30/Amsoil

His: 2015 4Runner 60k, SS 5w20/Amsoil

Re: What is more important in an oil? [Re: Mad_Hatter] #5244114 10/19/19 10:35 AM
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Originally Posted by Mad_Hatter
Additives help the base oil, not take the place of it. Using quality additives with a subpar base oil(s) is akin to putting lipstick on a pig...it will always be a pig.

A good performing finished lube starts with quality base oil(s) (the foundation) and builds off that.


That would be true if one can quantify what is a sub par (sic) base oil. I know of no major brand or major blender that is using a sub par base oil. Seems everyone is getting the same base oils from the recognized suppliers.

But I also know, that even the best base oil will grenade a engine if it does not also include a good add pack.


Freedom is not about having the choice to do what you want, but the choice to do what you ought.
Re: What is more important in an oil? [Re: Rglossip] #5244145 10/19/19 11:23 AM
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Originally Posted by TiredTrucker
Originally Posted by Mad_Hatter
Additives help the base oil, not take the place of it. Using quality additives with a subpar base oil(s) is akin to putting lipstick on a pig...it will always be a pig.

A good performing finished lube starts with quality base oil(s) (the foundation) and builds off that.


That would be true if one can quantify what is a sub par base oil. I know of no major brand or major blender that is using a sub par (sic) base oil. Seems everyone is getting the same base oils from the recognized suppliers.

I was speaking broadly, for starters..Does "lower quality base oil" work, or is that still to nebulous?... if we can't quantify good v. bad, better v. best, mediocre v. poor in re to base stocks on at least some level, than just what the h-e-double-L is this board for?

What's next, handing out participation trophy's to all base stocks?😂...."good job barely a grp2 base stock"😂

Last edited by Mad_Hatter; 10/19/19 11:28 AM.
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