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Re: Synthetic Motor Oil: Extended Drain Interval - or Not?
Posted to Castrol Forum on 3/5/2017

LMAO.... that's quite a list of "statistics" and "reports"....pretty much the same as what we were fed in the 1970's.

I do pay attention to the specifications, and have never said I don't-!!

I just won't be sucker for the B/S.

And NO, customers vehicles ... Login to read more.