Re: Castrol GTX Magnatec for flat tappet break-in?
I've used traditional oil with comp cams break-in oil and also had success using mobil delvac diesel oil and break-in additive, just curious if there are any possible success stories with the new oils and flat tappet camshaft life without any break-in additives or break-in specific oil. Until I hear some success stories I'm going to keep spending the whopping $8 for additive on top of conventional oil
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