Discover an innovative way to beat the heat with this DIY project: creating an air cooler from an engine oil bottle! In this ...

If your engine oil sees 8,000‑rpm weekends, the purple premium may be comparable to cheap insurance. The Skeptics Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap.

Choosing the right oil can make or break your engine. ... What’s Inside That Bottle of Oil Really Does Make a Difference. Black Gold. HOT ROD Staff Writer Jun 24, 2019. See All 14 Photos.

When you look at a bottle of motor oil, you are assaulted by all the numbers and letters and whether or not it's synthetic. Without knowing what those figures signify, it can look almost random ...

Valvoline Premium Blue GEO 15W40 heavy-duty motor oil for use in natural-gas fueled engines is now available in convenient one-gallon jugs, according to the oil supplier. Valvoline ...

But since oil changes happen so infrequently — changing it out every 5,000 to 10,000 miles is recommended – you could find yourself with a bottle or two of unused engine oil for an extended ...

Weight. This is the oil's viscosity, expressed as a number like 5W-20. The 5 in this example is the cold viscosity and 20 is the hot viscosity at the engine's full running temp.

The first step to changing your own oil is knowing what kind of motor oil you will need for the job. This means identifying the necessary weight. Most cars take 5W-30 and 5W-20 , but the exact ...

Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap. Expensive oil is often a waste of money and a 5‑quart jug of Royal Purple can run $5 to $15 more than Mobil 1 and even ...