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Re: What does the 'W' mean?
Posted to Technical Discussion Forum on 2/12/2006 9 Replies

Ken, your kidding right????

Try Castrol re an explanation of S and C ratings

[...] ntentId=6500056 [[...]]

Heres one example from their site:

" Consequently, it is not advisable to use gasoline engine oil in a diesel engine, or diesel engine oil in a ... Login to read more.

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