Laying out the relationships between the engine's exhaust and intake and how you can use them to your advantage There are specific functional relationships between an engine's exhaust and intake ...

One of the best aspects of a project build for automotive enthusiasts is the quest for improvements that will add to the vehicle in some way. There are several engine components to replace, add, or ...

The Chevrolet Tri-power carburetor system—made famous under the hood of hot models such as the big-block-powered L71 and L89 Corvettes—is, to us, one of the best looking ones of all time. Well, the ...

Air. Fuel. Spark. Take one away from your car and you’re going nowhere fast. Increase one, air for example, and things get interesting. More air equals more power — the very principle behind forced ...

Most Chevy truck enthusiasts know that improving the flow of air into the engine and reducing backpressure are sure ways to make some power. But believe it or not, this process is not as simple as it ...

When Ford introduced the SEFI 5.0L High Output Mustang in 1986 many predicted the end of the tunable engine. Ironically it was the beginning of a new era of super-tunable small-block Fords that would ...

Why performance air intakes might be a great, low-cost investment if you’re looking for more power. Why are aftermarket air intake systems so popular? A related question might be, why replace the ...

The 1968 Ram Air II option turned the Pontiac Firebird from a stylish pony car into a focused induction test bed, where airflow and cylinder head design mattered as much as cubic inches. By tightening ...