This is a metal conditioner, NOT an oil additive. It adheres directly to the hot friction points of the metal. My 2008 Dodge Ram 1500 increased mileage on the city freeway when I added about 8 ounces of product. It's very rare for a product to live up to its promise, but this product exceeded my expectations. I use this product on all of my guns and all of my vehicles' engines and transmissions, including all differentials. I also served 30 years in the military and am 100% disabled. This product was sent from God to service our weapons in Iraq.
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