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Re: Synthetic Oil Question
Posted to Technical Theory Forum on 10/3/2006 1 Reply

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There are thick and thin versions of SAE 30. The range for SAE 30 is 9.3-12.5 Cst at 212F/100C. That is a big range.

Castrol Syntec 0W-30 is a thick 12.1 Cst

Castrol Syntec 5W-30 is a thin 9.7 Cst... Login to read more.

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