Additives in Motor Oil: Everything You Need to Know

Additives in motor oil

Additives in motor oil perform two critical functions: lessen destructive processes and enhance the beneficial properties of the base oil. Here’s a rundown.



Why do European Cars Require Special Oil?

Audi

European cars require oil that protects the emissions system, meets certain viscosity requirements, meets strict OEM requirements and more. We explain here.



Do Motor Oil Additives Work?

Oil bottles on a retail shelf

Oil additives promise several enticing benefits, like improved fuel economy, reduced friction and better wear protection. Find out if you should use them.



Can I Mix Synthetic and Conventional Oil?

Signature Series oil change

While it’s safe to mix synthetic and conventional oil since they’re compatible, it’s not a great idea. Here’s why you shouldn’t mix oil types.



Synthetic vs. Conventional Oil: The Definitive Guide

Synthetic vs. conventional oil

Many motorists are switching to synthetic motor oil for the first time. Find out everything you need to know about synthetic vs. conventional motor oil.



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.



A Beginner’s Guide to Motor Oil: What You Need to Know

Pulling oil dipstick

Motor oil seems simple. You pour it in your engine and drive away. But motor oil is far more complex…and important. Here’s what you need to know.



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.



ILSAC GF-6, API SP & dexos: Making Sense of New Oil Specifications

Oil dipstick

AMSOIL synthetic motor oils meet or exceed the latest performance specifications, including GM dexos1 Gen 2, ILSAC GF-6 and API SP.