SUPERIOR, Wis. — Amsoil Inc. has launched the Amsoil Signature Series 0W-16 100% Synthetic Motor Oil, primarily for Toyota and Honda applications calling for a 0W-16 viscosity. Amsoil Signature Series ...

Several GM truck models were recalled due to engine issues, something that users say might have ben a result of the use of low-viscosity motor oil.

As GM Authority has covered in-depth for months now, General Motors has issued a recall for certain units of the naturally aspirated 6.2L V8 L87 gasoline engine. Part of this latest GM engine recall ...