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Re: Dexos backward compatibility benefits
Posted to Castrol Forum on 5/14/2019 1 Reply

Not sure about Dexos I did try Mobil 1 in my 2000 454 Chevy I ended up with a tick noise. After some research I found out the noise was probably due to the oil was causing the roller lifters to skip on the camshaft I switched it back to conventional oil. Login to read more.

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