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 ...

Many owners even consult trusted auto experts, and some begin their search for quality vehicles at places like the best used ...

Tuning your engine with the aid of an air/fuel meter can really help you dial in your carburetor. But what numbers should you aim for? When people talk about the air/fuel ratio of their engine, do you ...

One of the most misunderstood and feared aspects of racing with aftermarket parts is tuning. Without proper tuning, even the most carefully built motor will go postal. For some people, tuning means ...

As performance enthusiasts and racers work with more sophisticated tuning tools—especially those designed for EFI engines—there's a growing debate on whether to use air-fuel ratio or Lambda in the ...