oil motor store - #1:Castrol 1597B1 Edge Extended Performance 5W-30 Advanced Full Synthetic Motor Oil, 5 Quart
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I will only use Edge by Castrol On any high mileage vehicle.
After much trial and error over the years with different types of oil in Brandz I’ve discovered edge made by Castrol. It really does make a difference. Within 25 miles or so of driving I can actually feel the difference in my car and the oil still shows clean a couple hundred miles later. If your vehicle has 125,000 miles or more I wouldn’t dare try any other product. Excellent value for the money.