The ongoing debate between conventional motor oil and synthetic motor oil continues to spark discussions among automotive enthusiasts and experts. Which option is more effective when it comes to fuel ...

When it comes to maintaining your car, few decisions are as important as the type of motor oil you use. Motor oil is the lifeblood of your engine, reducing friction, keeping components lubricated, and ...

Synthetic motor oil has been around for longer than you might expect, but most classic cars were designed to run with ...

A big factor is viscosity, or how well the oil flows. Cold oil is thick, and it moves slowly (the animation above has been significantly speeded-up; the oil was chilled to -31 degrees Fahrenheit ...

Myth: Synthetic Motor Oil Will Cause My Engine To Leak.The majority of engine-oil leaks are due to failure in engine seals and gaskets. All oils, either petroleum-based or synthetic, ...

Finally, we changed the oil in both vehicles to Royal Purple 10W-30, a synthetic motor oil which meets API-SJ standards donated to GMHTP by the manufacturer for testing.

If it's time to change the oil in your lawn mower, you might be wondering whether it would benefit from the same synthetic ...

Lately I have been noticing a burning smell from my manual transmission 1999 Nissan Maxima. I would say it's definitely a ...

If your car’s engine has a supercharger, turbocharger or otherwise tuned for extreme performance, the high-temperature mayhem going on inside it is likely best served with a high-quality synthetic.

If you’re someone who pays attention to car maintenance things like motor oil, you probably know that it comes in synthetic and standard varieties. Synthetic costs more, but has many advantages ...

Q: I have a 1994 Toyota Celica and have always used conventional oil. Should/can I change to synthetic? Can I mix the two? Car Doctor: How to spot a 'flood' car before you buy Car Doctor: Can you ...