Authorized AMSOIL Dealer

Formulated, Blended, and Packaged In the U.S.A.

Tom Santell

Power Sport Oil

San Leandro, Ca


Should I Use a Lighter Winter Oil Weight?

AMSOIL recommends using a lighter winter oil weight when the temperatures drop. This improves cold starts and maximizes wear protection at startup. Synthetic oils provide better cold starts because petroleum-based oils contain wax. Wax thickens when it gets cold. Amsoil Signature series 5-30 will actually pour at -50 degrees F. Petroleum-based oils in the same weight will barely move, read more.