How a Differential Works (and the Type of Gear Lube to Use)

Think of all the devices we take for granted that improve our lives. The refrigerator. The microprocessor. The air conditioner. The spork.



How to Fix Diesel Fuel Gelling with Cold Flow Improvers

I don’t know about where you live, but winter in Minnesota hit pretty hard starting in November, and it seems Old Man Winter is fired up and settled in for a long, cold season. For those who love ice fishing, the cold temps make the ice safer, giving us additional opportunity.



Oil Life Monitors – Everything You Need To Know

change engine oil soon

For the past couple months, every time I start my truck I hear an annoying “ding” followed by an equaling annoying message saying, “Change Engine Oil Soon.” I know what you’re thinking – you’d better change your oil! My oil life monitor agrees.



Prepare Your Vehicle for Winter

scraping ice off snowy windshield

Originally posted Nov. 11, 2016 With the worst of winter right around the corner, now is a good time to get your vehicle prepared for the worst. Being based in northern Wisconsin, we at AMSOIL talk a lot about how synthetic lubricants make life a little easier as the cold air starts to pierce our

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The Pros and Cons of Semi-Synthetic Oils and Synthetic Blends

How to check oil properly

Scott D. Galbreath asks via our Facebook page about the pros and cons of synthetic blend motor oils. Thanks for the question, Scott. Making sense of motor oil can be confusing and frustrating. Choosing among full synthetics, synthetic blends, semi-conventional, conventional, high-mileage full synthetics and synthetic blends is just the beginning.



Why You Should Consider Buying a Diesel

Charlie Keeter powerstroke dragstrip

The U.S. automotive market is changing and people are keeping their cars and trucks longer and longer. I am no stranger to this mentality – I just sold my 1998 pickup I had owned since new. Doing so opened the opportunity for my next long-term investment, a Ford F350 with the 6.7L diesel.



The DIY Oil Change: Avoid These 5 Common Mistakes

AMSOIL Motor Oil Change

I’m probably from the last generation of people who largely changed their own oil. As the pace of life has increased and engine technology has grown more complicated, most people now pay a professional to take care of their auto-maintenance needs.



11 Easy Tips to Make Your Car Last Longer: Advice from AMSOIL Gearheads

Jeep Wrangler - Car Maintenance Tips

I’ll be honest – I can’t drop a new set of gears in a rear differential or install a performance cam. I have lofty dreams of owning a red Jeep Wrangler, but real wrench turning might lie beyond my particular skill set. Luckily, I work among a legion of gearheads. Our generous car gurus offered

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Common Fixes for a Transmission that Jerks or Hesitates

automatic transmission fluid additive

Here are a few common reasons why your transmission may shift erratically, jerk or hesitate. • Low fluid level • Depleted fluid frictional properties • Poor cold-temperature fluidity



Top 5 Tips for Protecting Your Diesel

002-diesel-power-challenge-2016-drag-racing

If you love your diesel pickup as much as I love mine, then you know what it takes to make it look good, run good and sound good. It’s no task for the weary or lazy, however.