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Engines & Components

A supercharger is one of the fastest and most accessible ways to add a couple of hundred ponies.

If it’s done right, the result is an intoxicating noise.

A few quick and easy maintenance procedures can greatly reduce your chances of getting stuck on a cold day.

Freezing temperatures can make diesel fuel too thick to circulate. Gas engines can face problems when temperatures drop below zero.

Most states test for three toxic gases: hydrocarbons, carbon monoxide, and oxides of nitrogen.

Does it mean that your car is about to die? The short answer is: no.

The team’s goal is to have the car running for its appearance at the Woodward Dream Cruise in Michigan on Aug. 19.

It’s a straightforward and inexpensive way to keep your car running smoothly.

Swapping an old battery for a new one can be easily accomplished in less than an hour.

Technology to jumpstart a car or truck has made dramatic improvements.

There are many possible causes for getting stuck with an unresponsive car. Here’s a quick checklist.

An ignition upgrade can result in better starting, throttle response, and fuel economy.

There’s no longer a need to use a computer as an intermediate device. Download right to your car.

Twincharging combines the efficiency of a small engine with the fat power band of a bigger engine. But it's tricky to pull off.

Over time, small jets inside the carburetor can become clogged.

Ideas for turning a tired and dirty engine bay into a show piece.

All antifreeze used to be green and all the brands worked the same way. That's changed.

It’s about drivability and the increase in performance throughout the range, not just total horsepower.

Are synthetics worth the premium price and if so, why?

While all spark plugs generally have the same parts, the devil is in the details.

Two types of units—Roots and centrifugal—enhance performance in slightly different ways.