AMSOIL Crushes Sequence IIIH Engine Test

Sequence IIIH test

The Sequence IIIH Test is designed to screen oils for their ability to protect modern, hot-running engines. Even after doubling the test, AMSOIL delivered.



Why is My Engine Overheating?

Car overheating

Low coolant is one of the first things to check if your car is overheating. A bad cooling fan is another potential culprit. Here’s what else to check.



Do Older Engines Need Oil With ZDDP Additives?

Using a high-zinc oil with a high dose of ZDDP additives helps protect classic car and hot rod engines. AMSOIL Z-ROD Synthetic Oil contains 1400 ppm zinc.



Break-In Oil: What is it and When Do I Use it?

Break in oil

Break-in oil seals the piston rings to the cylinder wall for maximum power and minimum oil consumption. Here’s how it works and when to use it.



Prep Your Vehicle Now for Your Summer Road Trip

Summer road trip

Summer road trips are supposed to bring lifetime memories, not frustration due to car trouble. Prep you vehicle now for you next road trip.



Should I Run Straight-Weight or Multi-Weight Oil in my Muscle Car?

Mopar muscle car

Straight-weight oil can offer some benefit with viscosity retention, but a good multi-weight oil delivers better start-up protection.



How Start-Stop Engines Challenge Motor Oil

Car at stop sign

Start-stop cycles in equipped engines can triple compared to traditional engines, increasing the likelihood of bearing wear.



What’s the Best Oil for Turbo Cars?

Turbocharged engine

Industry testing shows that AMSOIL delivers excellent protection for turbo cars, limiting deposits on the turbo bearing and shaft. See the results.



Selling Your Car? Do this to Make the Most Money

Sell car

Selling your car? Take care of these maintenance issues, give it a good cleaning and gather all the required paperwork first to get the best price.



Why is there Sludge/Slime in my Radiator?

Radiator sludge

Radiator sludge is a symptom of larger problems, many of which are traced back to using low-cost “green” coolants. Here’s what you can do.