AMSOIL recently reformulated its Severe Gear Line of Lubricants, increasing its extreme pressure and wear protection: AMSOIL Severe Gear Lubricants Reformulated
Though GM recommends a 75w90 for the 04-07 V, some have chosen to run a higher viscosity. The full Severe Gear line includes three grades:
AMSOIL Severe Gear Extreme Pressure Synthetic 75w90 (Product Code SVGQT)
AMSOIL Severe Gear Extreme Pressure Synthetic 75w110 (Product Code SVTQT)
AMSOIL Severe Gear Extreme Pressure Synthetic 75w140 (Product Code SVOQT)
:cheers:
Though GM recommends a 75w90 for the 04-07 V, some have chosen to run a higher viscosity. The full Severe Gear line includes three grades:
AMSOIL Severe Gear Extreme Pressure Synthetic 75w90 (Product Code SVGQT)
AMSOIL Severe Gear Extreme Pressure Synthetic 75w110 (Product Code SVTQT)
AMSOIL Severe Gear Extreme Pressure Synthetic 75w140 (Product Code SVOQT)
:cheers: