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How Honda's VTEC Engines Work and How VTEC Can Kick In, Yo How Honda's VTEC Engines Work and How VTEC Can Kick In, Yo

Honda’s Variable Valve Timing & Lift Electronic Control system, known as VTEC instead of the more accurate VVTLEC, is one of those things that various parts of automotive pop culture have glommed onto, and as a result, almost everyone with even a passing interest in cars is aware of VTEC and its propensity to kick in,…

Here's What Those Secret Rubber Flaps Behind Your Rear Bumper Are For

I recently strolled through a junkyard with my friend Taylor when he asked: “What are these flaps on the rear corners of all these cars?” Realizing that he may not be the only one wondering, I decided to write this post about these devices, which act as vital pressure relief valves.

Here's What 'Compression Ratio' Actually Means And Why It Matters

You’ve heard the term compression ratio before, but have you ever wondered exactly what it means? Well, it’s time to explain exactly what compression ratio is, and why every carmaker is now obsessed with it like it was the Holy Grail.

Here Are The Pros And Cons Of Direct Injection Here Are The Pros And Cons Of Direct Injection

Direct injection motors are the new cool kids on the block and it’s becoming more an more common on newer cars. What is direct injection? Should I be afraid of it?

This Is Why People In Southern California Say 'The' In Front Of Freeway Names This Is Why People In Southern California Say 'The' In Front Of Freeway Names

I don’t know if you have noticed this but I certainly did when I first moved to Southern California: People insist on adding the definite article “the” in front of major freeways. Turns out, it’s not just some baseless regional slang, there’s a decent amount of history behind it.

Sometimes You Just Need To See A Good Explainer Of The CAN Bus Sometimes You Just Need To See A Good Explainer Of The CAN Bus

Most of us know that the CAN Bus is the nervous system of a modern car. It’s the network that all of a modern car’s many computers communicate through, and understanding this network is crucial to understanding modern cars. Sadly, usually to understand it, you need to read lots and lots of tedious words, like some…

This Simple Animation Answers Everything About How A Clutch Works

Many of us have a basic idea of what our car’s clutch does, but still find all the teeth and springs confusing when we actually look at one out of the car. Fortunately, Learn Engineering on YouTube put together this simple animation that may be the clearest description yet of how your clutch really works.

Everything You've Ever Wanted To Know About Endurance Racing Pit Stops Explained

What’s with the clamp on the wing? Why do racing fuel hoses have two lines? Why am I asking you all these things when the answers are in this video? FCP Euro highlighted a pit stop by one of the Marc Cars V8-powered Mazda3s at the California 8 Hours at Laguna Seca which explains it all.

The Numbers We Use To Weigh Cars, Explained In One Big Chart The Numbers We Use To Weigh Cars, Explained In One Big Chart

Much like Olympic wrestlers or supermodels, talking about cars can get pretty weight-obsessive. How much a car or truck weighs affects how much it can carry, its performance, its efficiency, how hard it is to stop and on and on. But when we talk about cars and weight, it’s not just how many pounds. There’s a number of…

Take Four Minutes Out Of Your Day To Brush Up On The Difference Between Diesel And Gas Engines

In the U.S., diesel engines are often only associated with huge work trucks, whereas elsewhere around the globe, you’ll find the technology in tiny city cars. That might make you wonder: how different are these engine types, anyhow? Here’s Car Throttle with a little refresher to help you out.

How The Indianapolis 500's Complicated Two-Day Qualifying System Works How The Indianapolis 500's Complicated Two-Day Qualifying System Works

If you’re just now following the Indianapolis 500 thanks to the appearance of a two-time Formula One champ on the grid, the Indy 500's qualifying system may look completely foreign to you. But it’s okay! We’re here to help you figure it all out, and it’s not as hard to follow from home as it may appear.

The Idiot's Guide To Oversteer Vs. Understeer And How To Beat Both

“Understeer” and “oversteer” and terms we hear and use a lot in the automotive community, and sometimes actually encounter behind the wheel. If you’re not completely sure what these words really mean and you’re too embarrassed to ask or admit you don’t understand physics, don’t worry. Just watch this.

Why Do Oval Tracks Have Painted-On Lane Lines? Why Do Oval Tracks Have Painted-On Lane Lines?

The freshly repaved Texas Motor Speedway is a little slippery thus far, but man, does it look sharp. What’s more noticeable than usual, however, are the freshly painted, bright-white lines against the dark new asphalt. It begs the question: why are they there?

What The 2017 Ford Raptor's Off-Road Modes Really Do: An Explainer What The 2017 Ford Raptor's Off-Road Modes Really Do: An Explainer

We’ve heard a lot about the 2017 Ford Raptor “optimizing itself” for different driving situations. This week between canyon carving and sand-sliding sessions, we sat down with an engineer to find out what’s really going on when you push this truck’s magic buttons.

Why Everyone's Going Nuts Over The Mercedes Pickup Truck: An Explainer Why Everyone's Going Nuts Over The Mercedes Pickup Truck: An Explainer

The Mercedes-Benz mid-sized pickup truck is really happening, and will look like a combination of the two “near-production” concept vehicles that were revealed today. Here’s a breakdown of the stats, specs and everything else you want to examine on the X-Class.

The Engineering Behind Global Rallycross Cars' Brutally Insane Acceleration

In addition to being pure chaos distilled into a motorsport, Red Bull Global Rallycross’ top-class Supercars are absolutely insane, capable of going 0 to 60 mph in just 1.9 seconds, pulling over 1.4 G in the process. Here’s what makes them so face-meltingly fast.

Everything You Need To Know About McLaren Auto Everything You Need To Know About McLaren Auto

You may have heard that internet jewelry company Apple is in talks to buy McLaren, a car company. What is McLaren? Car and racing fans have known about the company for decades, but despite making incredible machines, it doesn’t have the name recognition that Ferrari and Lamborghini command.

How Long Can You Watch This Video About Camping In The Left Lane Before Going Insane? How Long Can You Watch This Video About Camping In The Left Lane Before Going Insane?

Driving slowly in the left lane is dangerous and bad! That is what is cheerfully noted in a new video from Vox, the website that seeks to “explain” the news to you, as if you were a child. Who knew?

How To Survive Pebble Beach: A Guide To America's Richest Car Show How To Survive Pebble Beach: A Guide To America's Richest Car Show

The lily white (yet absurdly tan) communities of the Monterey peninsula open their doors to automotive enthusiasts this week, but most of them are keeping the gates manned by guards. Here’s how to buy, cheat, lie, and connive your way into all the events you want to go.

To Make Kentucky Speedway Better They Had To Remake It In All Of Its Terrible Glory To Make Kentucky Speedway Better They Had To Remake It In All Of Its Terrible Glory

Most of us don’t think twice about pavement, but it’s the only thing a race car is always in contact with, provided something hasn’t gone catastrophically wrong. Thus, something as mundane as the track surface itself can make or break a race—and elevate it to glorious racing chaos or keep it as dull as it gets.

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