100% Synthetic Friction Reducer with 3 Patented Technologies. Recommended for ALL gas & diesel engines. Hot Shot's Secret FR3 is a lubricity enhancing oil additive that increases the lubricating & wear reduction properties of the host oil. The product contains patented synthetic lubricants that have unique lubricating properties even compared to PAO or mPAO synthetics of the same viscosity. The anti-wear component of the formula is a patented carbon Nano particle that fills in microscopic irregularities on the machined surface to provide a smoother surface for the lubricating film to form. The synergy of these components extends the base oil performance in shear stability, oxidation stability, film strength & especially friction reduction. Treatment Ratio: 5 quart (car): 8 ounces FR3 15 quarts (truck): 23 ounces FR3 45 quarts (semi): 64 ounces FR3 Add To: Engine oil Power steering Hydraulic system Differentials Recommended Frequency: Use one treatment of FR3 every oil change. Use in All Engines: Semi-trucks, pick-up trucks, farm equipment & autos. Effective in all engines including: Ford Power stroke, Dodge Cummins, GM Duramax, Saab, Volkswagen, Audi. You can use FR3 to treat any oil-lubricated system except air conditioning and aircraft. Even though FR3 is an industrial product, you'll find that small two cycle engines love it. Just add FR3 to your oil before mixing it with the fuel. Your automobile, light truck or other personal vehicles will benefit from FR3 in the engine, power steering unit, and differential.