Tag Archives: How It Works

Why can some engines rev to 9,000 rpm?

You blip the throttle and your engine revs rise. It's a fun game that can put a smile on your face as you wait for a red light to change to green. It doesn't matter if it's a lumbering diesel in a pickup or a muscular V-8 in a pony car, you're likely to crack a smile when you tap that throttle. In some cars, you might just find a maniacal Joker-esque smile...

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What exactly is the difference between horsepower and torque?

There's a battle of words that occurs when a group of people begin arguing over who has the fastest machine. All sorts of performance metrics are thrown around, and it can quickly become a miasma of uninformed soup. Some think they're going to win a race because they have more horsepower, while others scream from the hilltops that torque is king. What's the...

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Why do electric cars usually have only 1 gear?

You won't jump into a modern electric car and row through a number of gears as you race down the road, which begs the question: why is it that electric cars usually have only one gear? It's but another topic for Jason Fenske of Engineering Explained to cover for us, so throw on your learning caps. Foremost, the broad answer to the question is that electric...

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If your car recommends premium gas, should you use it?

You know those car ads you see filling every commercial break of your favorite television show? Look closely and you'll see a fair number of them touting either a given vehicle's power output or perhaps the estimated fuel economy figures. There's usually also a disclaimer stating that a certain octane level or higher is required in order to achieve those...

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How the Ford GT’s trick suspension has two unique spring rates

The second-generation Ford GT packs incredible engineering no matter where one's eyes may scan. Be it aerodynamics, engine technology, or the suspension, there's always more than meets the eye. Here, however, we're talking about the GT's suspension, which is anything but traditional. It uses coil springs, but in a very unique way, as well as electronically...

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Do vehicle exhaust systems need back pressure?

When we have an automotive concept that involves complex science, we know just who to turn to for a proper explanation. That would be Jason Fenske from Engineering Explained. Today's concept is all about pressure. More specifically, it's about the idea of back pressure and whether or not this it's a good thing inside of an internal combustion engine. Like a...

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What’s the difference between turbo lag and boost threshold?

The automotive enthusiast community occasionally mixes and matches a few of its key terms. Wheels versus rims, for example. Another example can be found when dealing with engines that breathe through a bit of forced induction. On a turbocharged engine, there are two physical concepts that can often confuse folks. In one corner we have boost threshold. In...

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Here’s how Mobil 1 ensures it make a 20,000-mile claim

Not all oils are created equal, and there's a new product on the market that comes with a pretty bold claim. Mobil 1 Annual Protection promises a life of 20,000 miles or one year, whichever comes first, before the oil needs to be changed. Intrigued by the claim, chief explainer Jason Fenske of Engineering Explained decided to go behind the scenes and look...

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Watch a VW Beetle engine be rebuilt in 6 minutes

Wouldn't it be nice to have a proper work space in which you could wrench on your pride and joy? To have the tools and the time to do so is a wonderful luxury to be enjoyed whenever possible. Perhaps you're short on one of those things. It's most likely going to be the time aspect of it all. Fortunately, the good folks at Hagerty have the time to spend...

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