Castrol Syntec Blend or Wal Mart full synthetic????

[Fred Littlefield]

If SuperTech is really a type III oil like Castrol Syntec is then what is the difference? They can call it synthetic oil, but really it is Dino in disguise. I suppose that it is better than straight type III oils, but be aware of what you are buying. For the price ($12/5qts that is $2.40/qt) I doubt that it has any type IV or type V oils in it. I would not use it for extended OCIs.

 

[Auto-Union]

Problem is that Warren does not have a line of oils to compare ST to. If it was like...oh, I'm getting WARREN Synth for less money...hey, GREAT deal!

 

[BrianWC]

quote:

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Originally posted by Fred Littlefield:
If SuperTech is really a type III oil like Castrol Syntec is then what is the difference? They can call it synthetic oil, but really it is Dino in disguise. I suppose that it is better than straight type III oils, but be aware of what you are buying. For the price ($12/5qts that is $2.40/qt) I doubt that it has any type IV or type V oils in it. I would not use it for extended OCIs.

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Are there any straight Group III oils?

 

[dave1251]

Save your few bucks and go with the ST. It will handle 5k easily.