Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

It has been said that the exhaust emissions from a "typical" classic carburetor-equipped street rod can be as much as 100 times that of a new '10 vehicle. That may be possible if the owner of this ...

One heavy-duty engine choice transformed a basic pickup into a platform that significantly reshaped diesel performance and aftermarket tuning culture.

The job of an engine tuner is to continually discover new ways of gaining performance by making engines live longer and produce more useable horsepower. The tuners sometimes run across undesirable ...

Every engine can be tinkered with, but some stand above the crowd as ideal starting places for the tuner's dream build. Strong and hardy parts, the ability to accommodate and move large volumes of air ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

An internal combustion engine, at its core, is similar to a giant air pump. To produce power, it sucks in fresh air and fuel, compresses that mixture, and then explodes it, before expelling the burnt ...

For many cars, their real life doesn't begin at the factory, but at the moment they roll off the dealership lot, and into the hands of an owner. For car enthusiasts, modification is a cornerstone of ...

Taking care of your vehicle is vital to ensure it stays in great condition. Your brakes could give you trouble someday, or your suspension could require tinkering, inevitably leading you to an auto ...