If your mechanic recommends a high-mileage motor oil, how do you know when it's worth it to upgrade? And what are the pros ...

These days, many automakers recommend that owners fill their cars' engines with synthetic oil instead of conventional oil. Using synthetic motor oil may allow you to go longer in between oil ...

from engines to complex gear sets — engine oil also comes in conventional and synthetic varieties. Both types of oils are derived from petroleum and crude oil. However, synthetic oil contains ...

Conventional oil is pumped out of the ground and refined, while synthetic is chemically modified petroleum that’s produced at a factory. Most new cars call for synthetic oil, although some still ...

“The problem is people don’t maintain the engine oil,” he expressed. “If you follow the manufacturers guidelines for oil ...

Our long-termer is full of regular E10 unleaded to EN228 98 RON specification, as is Coryton’s Sustain petrol. John Barker, who actually paid attention at school and has certificates to prove ...