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#3286444 - 02/18/14 05:09 PM Non API certified oil from major brands
maximus Offline


Registered: 01/24/08
Posts: 648
Loc: TX
I recently took a job a large parts house chain and I've noticed a lot of the Castrol, Valvoline, Pennzoil etc..don't have the API starburst symbol on the higher viscosities like 10w-40, 20w-50. Is this a case of the companies not wanting to spend the extra money to get these "less frequently used" viscosities certified? I always suggested using API certified oils to my customers and I can't think of any modern vehicles(say 15 years old and newer) that spec anything higher than 5w-30.
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2011 Sonata GLS.

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#3286455 - 02/18/14 05:19 PM Re: Non API certified oil from major brands [Re: maximus]
dave1251 Offline


Registered: 07/15/05
Posts: 8395
Loc: Maricopa, AZ
Each one is API certified if I recall correctly they just do not qualify for the starburst for energy conserving oils. 40 grades and above are too viscus.
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make the inside of your engine oil cap white.
don't use.

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#3286473 - 02/18/14 05:29 PM Re: Non API certified oil from major brands [Re: maximus]
mclasser Offline


Registered: 04/13/13
Posts: 1948
Loc: The Northeast
As long as the API donut is present, it's all gravy.
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2013 Honda Pilot EX-L 4WD -- 45K
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#3286475 - 02/18/14 05:30 PM Re: Non API certified oil from major brands [Re: maximus]
danthaman1980 Offline


Registered: 03/12/10
Posts: 995
Loc: SE Wisconsin
In general, the thicker oils are no longer eligible for the API starburst because they do not meet the ILSAC GF-5 fuel economy standards.
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2003 Chevy Silverado 1500 5.3 LS Quadrasteer ~229,000 miles; QS Defy SL 5W-30

2014 Mazda6 Sport 2.5 Skyactiv ~39,000 miles; M1 AFE 0W-20

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#3286477 - 02/18/14 05:31 PM Re: Non API certified oil from major brands [Re: maximus]
Darwin1138 Offline


Registered: 01/07/14
Posts: 393
Loc: Slimy Mudhole
The Starburst symbol is only for "energy conserving" oils but the donut symbol can be put even in a SAE60 oil, but I've seen that too specially from Castrol in their "export" oils in which just prints in the bottle API SN but doesn't have neither the starburst nor the donut.
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0W-20 or death!

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#3287800 - 02/19/14 10:30 PM Re: Non API certified oil from major brands [Re: Darwin1138]
maximus Offline


Registered: 01/24/08
Posts: 648
Loc: TX
Thanks for replies! Now I'm informed!
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2011 Sonata GLS.

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