Prep Your Vehicle Now for Your Summer Road Trip
A summer road trip should bring good memories, not car trouble.
How Do I Switch from Conventional to Synthetic Oil?
You don't need to do anything special before you switch to synthetic oil after having used conventional oil.
Can I Use Diesel Oil in My Gas Engine?
You can use diesel oil in a gas engine provided the diesel oil meets the appropriate specifications and viscosity requirements.
Why Do Motorists Change Oil in the Spring and Fall?
Spring and fall constitute “oil-change season” for many, but that schedule is more tradition than a maintenance imperative.
Why Does Motor Oil Turn Black?
Just because your oil has turned black doesn't mean it's time to change it.
- ATV/UTV
- Diesel
- Marine
- Product Highlights
- Motorcycles
- Snowmobile
- Ask AMSOIL
- Small Engines
- Dirt Bike
- Cars & Trucks
Can I Mix Synthetic and Conventional Oil?
While it's safe to mix synthetic and conventional oil since they're compatible, here's why it's best to avoid it.
Top 5 Motor Oil Myths Busted
Motor oil myths abound. Here are five of the most persistent along with our myth-busting facts.
Should I Use a Lighter Winter Oil Weight?
Using a lighter winter oil weight when the temperature drops can improve cold starts and maximize wear protection at startup.
The Pros and Cons of Semi-Synthetic Oils and Synthetic Blends
Synthetic blends and semi-synthetics both use a combination of conventional and synthetic base oils.
What Happens if I Use A Thicker Oil in My Engine?
It's best to use the recommended viscosity, but a slightly thinner or thicker oil likely won't cause harm.
