Why Does Motor Oil Turn Black?

How to change your oil

What causes black motor oil? And when your oil darkens does it mean it’s time to change it? Well, there are a couple of factors that can cause the former. Let’s dig in. Factors causing black motor oil Heat cycles naturally darken motor oil During your drive to work in the morning, your engine reaches

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Should I Switch to a Lighter Viscosity Oil in Winter?

thermometer in winter

Motorists sometimes ask if they should use a lighter viscosity of motor oil once winter arrives. Yes – provided your vehicle manufacturer allows it. 



What’s the Minimum I Should Drive My Car? And Other Winter Car Storage Tips

The roads are home to all kinds of vehicles. Daily drivers that clock thousands of miles each year. Seasonal vehicles that only clock hundreds. And then there are some whose odometers move only when being loaded or unloaded from a trailer. In any instance, winter vehicle storage is sometimes inevitable.



Introducing the Three Newest AMSOIL Products

AMSOIL is well-known for its products that protect the internal parts of an engine. But you may not know about our products that protect the outside of your vehicles and equipment, too.



Top 5 Mods for Your Turbo Subaru

subaru wrx sti logo grille red

So you’re now a part of the worldwide Subaru Community. You wave to other WRX and turbocharged Subaru owners on the road. And you can’t wait to start modifying your car.



Transmission Flush vs Fluid Change: Which is Better?

It depends on what you want to accomplish. But, first of all, check your owner’s manual to see if your vehicle manufacturer recommends one instead of the other.



8 Hot AMSOIL Products for Your Hot Rod

Back to the 50s 2016 Classic Car

If you’re anything like us, the highly anticipated sights and sounds of hot rods, muscle cars and restomods returning to the open road makes you a bit giddy. It’s a sure sign of road trips, car shows and all things summer.



How Do I Switch from Conventional to Synthetic Oil?

conventional and synthetic oil

To borrow a famous slogan, just do it. There is still some confusion about changing to a different type of oil in vehicles, particularly older models that have accumulated many miles. A small group of ill-informed individuals in garages and on blogs still cling to old beliefs that synthetic motor oils cause roller followers to

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How a Differential Works (and the Type of Gear Lube to Use)

Think of all the devices we take for granted that improve our lives. The refrigerator. The microprocessor. The air conditioner. The spork.



What’s the Difference Between DOT 3 and DOT 4 Brake Fluid?

Glowing red brake rotor from heat

The primary difference between Dot 3 and Dot 4 is their respective boiling points. I suspect I know your next question. But first, some background. The U.S. Department of Transportation classifies brake fluid into four main categories: