Engineering Explained

 
How Infiniti's variable compression engine works

How Infiniti's variable compression engine works

You know what variable valve timing is. You're quite familiar with Honda's VTEC system. Now Infiniti has something new for you dive into, and it's all about changing an engine's compression ratio. The Infiniti VC-T engine can change its compression ratio from a low of 8:1 to a high of 14:1. How... read more

August 31, 2016 by
 
How the charge motion control valve balances fuel economy and power

How the charge motion control valve balances fuel economy and power

We love horsepower. We love torque. We also need to embrace fuel economy, and that's a tricky line to toe for producers of automobiles with large engines that make loud... read more August 15, 2016 by


 
Don't do these 5 things in a vehicle with a CVT

Don't do these 5 things in a vehicle with a CVT

Jason, the host of Engineering Explained, gets the first point that we were going to make right out of the way. His latest video tackles things you should or should not be... read more August 10, 2016 by


 
What's the best all-wheel-drive system?

What's the best all-wheel-drive system?

All-wheel-drive systems are numerous, and some of them work in different ways. A Subaru, an Audi, and a pickup truck all have different needs to meet in powering all their... read more August 8, 2016 by


 
Should you warm up your engine before driving?

Should you warm up your engine before driving?

It's a generally held rule: Let your car warm up a bit before heading off to tackle the day. But is it really necessary? In a word? No. Our friend Jason Fenske from... read more August 3, 2016 by


 
Are CVTs the fastest transmissions?

Are CVTs the fastest transmissions?

Nobody truly likes a Continuously Variable Transmission (CVT). They are loud, soulless, sometimes unreliable, and frankly, they often make your car sound awful. But here's... read more August 1, 2016 by


 
What the heck does an oil catch can do?

What the heck does an oil catch can do?

Your engine is a violent place. It's filled with moving metal, hot oil and fuel, and a mass of moving air. All of that combines to create combustion, which is basically a... read more July 27, 2016 by


 
Learn what makes BMW's throttle system different

Learn what makes BMW's throttle system different

You're an under-hood expert by now, aren't you? We've been sharing a whole lot of information thanks to Engineering Explained and that means you should be fluent now in... read more July 25, 2016 by


 
Here are 5 things to never do with a turbocharged vehicle

Here are 5 things never to do with a turbocharged vehicle

Your engine likes to breathe. There are ways to make it breathe easier, and one of them is by cramming air into the engine's "throat." You're forcing the induction. To do... read more July 20, 2016 by


 
Are variable twin-scroll turbochargers the future of turbos?

Are variable twin-scroll turbochargers the future of turbos?

Turbochargers are—literally—spooling up, with every major automaker now offering at least one boosted model in their lineups (and one with four turbos). Today... read more July 18, 2016 by


 
The physics of launching a front-wheel-drive car

The physics of launching a front-wheel-drive car

Hot on the heels of his recent video showing us just how to best accelerate in a rear-wheel-drive car, Engineering Explained pro and Motor Authority friend Jason Fenske is... read more July 13, 2016 by


 
Is synthetic engine oil better than conventional for your car?

Is synthetic engine oil better than conventional for your car?

Our pal Jason Fenske at Engineering Explained addresses one of the most commonly-asked questions about car maintenance: should you use synthetic motor oil or conventional... read more July 7, 2016 by


 
The physics of launching a rear-wheel-drive car

The physics of launching a rear-wheel-drive car

Don't be frightened by all of the calculations on our friend Jason Fenske's famous white board: Launching a rear-wheel drive car properly is an exact science that is actually... read more July 5, 2016 by


 
5 things you should never do with a dual-clutch transmission

5 things you should never do with a dual-clutch transmission

Dual-clutch gearboxes are becoming increasingly common, and today's versions of these fast-shifting automatic gearboxes are far better than they were just a few years ago... read more June 30, 2016 by


 
How to change a car's coolant

How to change a car's coolant

Yes, there's a lot more to car maintenance than simply changing the oil. One of the most overlooked aspects is an engine's cooling system, which is as crucial to car owners... read more June 22, 2016 by


 
What factors change air suspension spring rates?

What factors change air suspension spring rates?

Just a week ago, we invited you to come along and learn about air suspension systems. Our friend Jason Fenske at Engineering Explained created a video discussing what air... read more June 20, 2016 by


 
 

 
© 2017 MotorAuthority. All Rights Reserved. MotorAuthority is published by Internet Brands Automotive Group. Stock photography by izmostock. Read our Cookie Policy.