Tiffany Stone’s Trail to SEMA Adventure

  “Adventurous” is a good word to describe Tiffany Stone. The Jeep enthusiast, motorsports-programming host and model isn’t afraid to push herself to new heights (sometimes literally – more on that below).



Can I Mix Synthetic and Conventional Oil?

conventional vs synthetic oil

The simple answer: Yes. There is no danger mixing synthetic and conventional motor oil; however, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits.



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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Are all Synthetic Oil Groups the Same? Group III vs IV vs V

Amsoil quality control oil testing

The simple answer No. In fact, there are wide performance differences between base oil group categories. Generally speaking, Group IV base oils offer the best performance, Group III second best, and so on in reverse order. But be forewarned – there are exceptions. And, you can’t judge motor oil performance solely on base oil type.



20 Things I’ve Learned from More Than Two Decades at AMSOIL (Part 2)

ed newman amsoil dealer conference

Last week I was asked to share some of the things I’ve learned during my career at AMSOIL. To be frank, the list is much longer than what I have time to share here, but it’s sure been fun reflecting on some of the highlights. Here are five more bits, pieces, observations and discoveries.



Your Most Common Motor Oil Questions Answered

fist holding wrench photo

One thing the Internet has done is create a lot more “experts.” In the old days when you had a car maintenance question, you knew whom to ask – ‘ol Mike up the street with grease under his fingernails and a rag in his back pocket.



How Turbochargers and Direct Injection are Changing the Industry

polished turbocharged engine bay

Turbocharged, gasoline-direct-injection (T-GDI) engines have been the topic of many AMSOIL blog posts and other publications the last few months, and for good reason. In recent years these technologies have taken the automotive industry by storm.



How Much “Synthetic” Is In My Oil?

Pouring oil

Unlike food and drug companies, which must disclose the ingredients in their products, lubricant manufactures aren’t held to the same mandate, which can cause confusion if you’re shopping for synthetic motor oil. Store shelves are lined with oils described as “full synthetic,” “semi-synthetic,” “synthetic” and even “100% synthetic.”



AMSOIL Expands Signature Series Line with 5W-50 Synthetic Motor Oil for Ford Mustangs

What is it about the Ford Mustang that so excites the imagination? Well, for starters, consider the name. Mustang. When I think of mustangs, I think of wild horses. And when older men think of Mustangs, they think of the wild horsepower packed under the hood of that particular breed of Sixties muscle car.



What is the difference between synthetic and conventional oil?

Motor oil, whether synthetic or petroleum-based, consists of molecular chains of hydrogen and carbon atoms, referred to as hydrocarbons. Petroleum crude oil is a thick, highly flammable dark-brown or greenish liquid with high energy density. Many contaminating elements exist in this complex mixture of hydrocarbons, including sulfur, nitrogen, oxygen and metal components such as nickel

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