
1Based on third-party testing in a 2016 Chevrolet* Silverado* 1500, 5.3L V-8 GDI with 100,616 miles, using one tank treated with AMSOIL P.i. Actual results may vary.
2ASTM D5598(M) – 2013 Buick Regal test vehicle.
• Increases octane up to 4 numbers for improved performance
• Maximizes power
• Reduces engine knock
• Improves ignition & responsiveness
• Helps fuel burn more cleanly
• Removes carbon deposits