question

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22,188
Location
Colorado Springs
German Castrol 0w-30. It's a unique product of Castrol. The majority of Castrol 0w-30 you'll find in stores is energy conserving group 3 oil, but the GC is a thick 0w-30 that meets many European specs and speculation is that it's PAO/ester/good stuff.
 

vad

Messages
1,856
Location
So Cal
The majority of Castrol 0w-30 you'll find in stores is GC. Check out your local AutoZone. This is how GC is being distributed in the U.S. For more info check out the GC forum. BTW GC is a group IV/V blend. It's a fact, not a speculation.
 
Messages
187
Location
Central Texas
Dodge1...you should also be aware that, although it is great oil, it is no longer produced and difficult to find especially since multitudes of BITOGs have cleaned out the USA ..... [Roll Eyes]
 

vad

Messages
1,856
Location
So Cal
He should be aware that it's still being produced and not all that difficult to find if you have an AutoZone store close by. [Roll Eyes] [Roll Eyes] BTW it should be still on sale at $3.99 qt.
 
Messages
396
Location
DeKalb, IL
Yes, the new formulation i.e. the "gold" stuff is full group IV synthetic, not group III. In addition, and please correct me if I'm wrong, isn't ALL 0w-30 produced by Castrol GC? All the other Syntec viscosities are produced in the U.S. and are group III.
 
Messages
1,053
Location
Indiana (IN)
It isn't hard to find, I left 12+ Green GC at the AutoZone I visited this morning. I bought the 7 I needed for my oil change at $3.99 a quart and left the rest for later.
 
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