Taking an oil sample and getting it analyzed is a key first step in extending drains. Engine makers’ service centers, as well as vendors such as Polaris Laboratories and Blackstone Labs, are good sources for doing the analysis. In some cases, results can be available online in less than a week.
But there’s more than that to determining a sensible approach to oil drains that saves money and cuts out unnecessary downtime. See what trucking radio host Kevin Rutherford has to say in his February Dollars & Sense column.