I see just about every oil brand at Walmart carrying “Advanced” or “Extended Performance” nowadays. The price differences are very minimal. Now I don’t let any of my cars go beyond 5k mile OCI’s or once a year OCI’s for the rarely driven cars. Can someone school me a bit on these new “Advanced” vs. “Extended Performance” vs. their “Regular” full synthetics? What would be your top choice of 5w30 available at Walmart? Looking for the most protection/durability possible for the rarely driven hot rods.
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