“P.i and Upper Cylinder Lube work in tandem to address common issues many drivers encounter. Both can be used together. Decreased fuel economy Increased exhaust emissions Power loss Poor starting and rough idle Pre-ignition “knock” or “pinging””
Amsoil P.i. and Upper Cylinder Lube Read More »
Extreme summer heat can cause motor oil to break faster and lose viscosity. Amsoil was tested by an independent laboratory and ran at 304 degrees F for 90 minutes. Afterwards the oil was put back into the engine and the test run again. After running the test a second time the Signature Amsoil still maintained
AMSOIL Signature Synthetic Lubricants Excel in Summer Heat Read More »
