What is 5W-30 Power Oil

5W-30 is a popular oil used in many vehicles. It is a blend of 5 weight percent of motor oil and 30 weight percent of engine oil. This oil provides protection against the following wear points: – The valve stem seal – The piston rings – The camshaft lobe seals – The crankcase gasket 5W-30… Continue reading What is 5W-30 Power Oil