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Re: Synthetic Motor Oil: Extended Drain Interval - or Not?
Posted to Castrol Forum on 1/30/2017 1 Reply

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Soooo, would you ever recommend (off the record of course and on a vehicle beyond it's warranty period, use at your own risk legal release type of thing) using an ACEA A5/B5 5/30 in a vehicle the mfg... Login to read more.

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