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Dana & Mike Smith
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Nearly every technology shaping the auto industry can be traced to one goal: increased fuel economy. Start-stop engines are one more tool automakers have in their arsenals to ensure today’s vehicles meet tomorrow’s tightening fuel-economy regulations.

How do start-stop engines work?

In principle,...

Why Do We Need To Change Our Oil?

Regardless of its quality, every motor oil eventually loses its potency and must be changed to ensure peak engine protection. Let’s take a look at what happens to motor oil over time and why you periodically need to change oil.

Losing the base

Base oils are the...
Changing your oil every 3,000 miles is a practice passed down for generations. The origin likely stems from the noble effort to provide consumers with a simple vehicle-maintenance rule that left plenty of room for error.

Marketed by fast lubes

Fast lube chains, which first entered the market in the...
Whether competing in sled pulls, drag races or dyno challenges, competitors using DOMINATOR® 20W-50 Competition Diesel Oil enjoy the confidence and security that come with providing their diesel trucks maximum protection and performance.

Racing and high-performance diesel engines...
Most lists of top-10 performance mods include a turbocharger, supercharger, nitrous oxide or updated engine tune. Increasing the engine’s oxygen intake also increases fuel, which boosts power.

While all that extra power is great, it puts additional demands on your engine oil.

Horsepower riding on a...

To flush or not to flush.

It’s a question whose answer is obvious in the bathroom, but vigorously debated in the garage.

Let’s get right to the point. Is an engine flush good or bad?

Spend a few minutes perusing online forums and you’ll find a range of answers to this question, often involving...
If you spend your time racing down muddy trails or forging questionable terrain on your ATV, UTV, dirt bike, off-road truck or snowmobile (well, snowy trails for the latter), AMSOIL Mudslinger is about to be your best friend.

This handy product will literally change your...


The roads are home to all kinds of vehicles. Daily drivers that clock thousands of miles each year. Seasonal vehicles that only clock hundreds. And then there are some whose odometers move only when being loaded or unloaded from a trailer.

In any instance, winter vehicle storage is sometimes...
 Ever wonder why engines have that long wiry thing with the small plastic handle? A.K.A. the dipstick?

“Come on, Mark, it’s for measuring proper engine oil volume,” you say.

Sure, but here’s the million-dollar question: How often should you pull the dipstick and check your oil level?

...

April is here, and for those who love to spend time at the drag strip challenging their reaction time, on a dirt strip hooked to a sled, or tied down on a roller dyno grunting for power, the diesel competition season is upon us.

In the U.S. alone there are more than 400 different events that...
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