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Re: 1969 BUICK RIVIERA
Posted to Castrol Forum on 12/12/2017 5 Replies

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In 1969, a typical 10W-30 oil probably had a dynamic viscosity of 3.5 cP@302F and a kinematic viscosity of at least 11.0 cSt@212F.

In 2017, a typical 10W-30 oil probably has a dynamic viscosity of ... Login to read more.

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