DO NOT USE ROYAL PURPLE, CONVENIENCE STORE BRAND, DOLLAR STORE BRAND, BULK BRAND, RECYCLED OIL, WAL-MART BRAND OIL OR VALVOLINE OILS IN OUR ENGINES. PLEASE CONTACT THE OFFICE FOR OIL RECOMMENDATIONS, ROYAL PURPLE AND VALVOLINE OILS(WITH THE EXCEPTION OF VR1 FOR CERTAIN APPLICATIONS) DO NOT MEET OUR CRITERIA AND CAN CAUSE FAILURE OF YOUR NEW ENGINE!!! LOWEST BIDDER RECYCLED OILS CAN DAMAGE YOUR NEW ENGINE!!!