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Re: Oils for older vehicles and new engine break in
Posted to Castrol Forum on 6/6/2017 16 Replies

John,

We do sell the Edge as an option to our clients, but we have experienced no failures using the GTX 20w50, and that is our fill on all of our oil changes and engine rebuilds here.

The one thing we do add for extra new cam break-in protection is Mr Mol... Login to read more.

16 Replies Received (View Replies)