Idemitsu Racing Rotary Engine Premix Formulated specifically for high-performance rotary engines. Safe for track and street use. There's no sound in racing like the high-revving scream of a perfectly tuned rotary engine. That unique sound demonstrates how different and special rotary engines are, and the special knowledge it takes to maximize rotary engine performance. Our experience in lubricating rotary engines is unmatched. As a longtime supplier of vitallubricants to Mazda – including developing the oil that sent the first rotary engine to the winner's circle at the 24 Hours of Le Mans – our intimate knowledge of rotary engine technology makes us the only choice for rotary performance enthusiasts around the globe. Idemitsu Lubricants America Corporation recommends the use of the Ratio Rite Measuring cup to ensure a proper mixture of Premix Rotary Fuel Lube and gasoline 1 QT - PART NO: 30018102-75000C020 Technical Data Sheet Features: A special blend of base oils reduces deposits and subsequent exhaust port clogging. As a result, your rotary engine will maintain the power at which it was designed Special detergent/dispersant additives keep your fuel injectors clean to reduce maintenance Provides additional lubrication for apex and side seals to increase seal life and increase the efficiency of your engine Special additives allow for better sealing of the chamber, creating greater efficiency and more power Safe for use in all rotary engines Fuel-to-Premix Ratio Reference Chart ⚠️ Disclaimer: Always verify ratios against the official Idemitsu Technical Data Sheet and confirm with your engine builder before mixing. Modified engines (ported, bridged, peripheral-ported, turbocharged, or otherwise modified from stock) may require different ratios — consult Idemitsu technical support or your builder. Incorrect ratios may cause engine damage. Ratio by Application Application Oil per Gallon of Fuel Ratio Street / OMP Intact (light protection) 0.5 oz / gal 256:1 Standard Racing / OMP Deleted 1 oz / gal 128:1 Boosted / Turbocharged Racing 2 oz / gal 64:1 Quick Mix Guide by Fuel Quantity Fuel Quantity Street / OMP Intact (256:1) Standard Race / OMP Deleted (128:1) Boosted / Turbo (64:1) 1 gal (3.8 L) 0.5 oz (15 mL) 1 oz (30 mL) 2 oz (59 mL) 5 gal (18.9 L) 2.5 oz (74 mL) 5 oz (148 mL) 10 oz (296 mL) 10 gal (37.9 L) 5 oz (148 mL) 10 oz (296 mL) 20 oz (591 mL) 16 gal (60.6 L) — Full RX-8 Tank 8 oz (237 mL) 16 oz / 1 pt (473 mL) 32 oz / 1 qt (946 mL) Use a Ratio Rite measuring cup for accuracy. These ratios are based on community-sourced references from rotary specialists and may differ from Idemitsu’s official printed specifications. Always cross-reference with the Technical Data Sheet before mixing. Dealer inquires welcome! If you are a automotive repair shop or auto parts supplier and would like to distribute the Idemitsu racing lubricants line please inquire here