Viscosity the most important physical property of a lubricating oil, as determines how easily the oil circulates and its load carrying capability. Maintaining the correct balance between low viscosity ...

The Chevrolet Performance ZZ454 we're dropping in our 1966 Chevelle Malibu doesn't come configured as a plug-and-play drop-in for an A-body—you have to change (swap) the oil pan. And changing the oil ...