What Cars Should NOT Use Synthetic Oil? (A Mechanic’s Short List)

what cars should not use synthetic oil: A split photograph showing a vintage carbureted engine bay on one side and a modern bottle of full synthetic oil with a warning symbol on the other.

If you’ve read my other articles, you know I’m usually pounding the table for synthetic oil. In 2026, for almost every vehicle rolling into my shop, synthetic is the only responsible choice.But every now and then, an old-timer pulls up in a beautiful ’69 Camaro, or a kid brings in a beat-up, high-mileage beater that … Read more

How Much Should an Oil Change Really Cost in 2026? (Price Guide)

How Much Should an Oil Change Really Cost? (Price Guide)

It’s the most common question I get in my email inbox: “Dave, I just paid $130 for an oil change. Did I get ripped off?”The answer is complicated. Five years ago, $130 was robbery for a standard car. In 2026? It might actually be a fair deal—depending on what you drive.Prices vary wildly depending on … Read more

How to Read Oil Viscosity Numbers: A Mechanic’s Simple Guide

how to read oil viscosity numbers

I’ll never forget the day a customer brought in their luxury SUV with severe engine damage. “I thought thicker oil meant better protection,” they said, holding up a bottle of 20W-50 oil they’d been using in Minnesota’s harsh winters. As a mechanic for 15 years, I’ve seen too many engines damaged by using the wrong … Read more

Synthetic Oil vs. Conventional Oil: Key Differences in Motor Oil

synthetic oil vs conventional oil

As a car enthusiast and former skeptic of synthetic oil, I’ve learned some hard lessons about motor oil choices over the years. Let me share my journey of discovery that changed how I think about engine protection. Content Navigation My Wake-Up Call About Motor OilThe Basics: What Makes Motor Oils DifferentConventional Oil: The Traditional ChoiceFull … Read more

How Often Should You Change Your Car’s Oil? A Comprehensive Guide

how often should you change your oil

As a car owner, you have likely heard this ancient advice: “Change your oil every 3,000 miles or every three months.” Nevertheless, with the improvement in engine technology and the development of oil formulations, such advice may not apply to your car anymore. So how often should you change the oil in your car? The … Read more