Diesel Engines - ULX-110 15w/40, 30w            (MackTruck EOM approval for 40,000 mile drain intervals.)

Domestic and Foreign Automobiles - ULX-110 5w/30, 10w/30, 10w/40, 10w/50, 20w/50, 30w
(Refer to owners manual for recommended weights)

Top Fuel Dragster and Funny Car - ULX-110 65w

Pro Stock - ULX-110 10w/30, 10w/40, 10w/50.
Top Alcohol Dragster and Top Alcohol Funny Car - ULX-110 20w/50, 65w

Super Comp., Super Gas, and Super Street - ULX-110 10w/30, 10w/40, 10w/50, 30w

Sprintcars, Speedcars, NOS Sprint, Super Sedan, V6 Sprint.  ULX 20w/50

Stock, Super Stock, and Comp. Elimination - ULX-110 5w/30, 10w/30, 10w/40, 20w/40, 30w

Truck and Tractor Pulling, Economy Hot Rod Tractors, Pro Street, Pro Stock, Super Stock, and Naturally Aspirated - ULX-110 2Ow/50, 20w/40, 30w

Turbo Charged and Super Charged - ULX-110 10w/50, 20w/50, 65w

Nascar and Busch - ULX-110 5w/20, 5w/30, 10w/30, 10w/50, 20w/40, 20w/50, 30w

Motorcycle - ULX-110 10w/30, 10w/40, 20w/50

These are only general recommendations.