Tuning a carburetor-equipped engine to perform its best with the reformulated unleaded gasoline of today can prove to be a challenge for many kit car owners and builders. Back in the days of leaded ...

There's an old saying in engine tuning that when adjusting the mixture of your engine you can be too rich a bunch of times, but only too lean once. With that in mind, determining the air-fuel ratio ...

Chip tuning and ECU remapping are both methods to increase a car's performance. However, they're not the same thing. Here are the differences between them.

There's a reason more of us aren't professional tuners. Most of us haven't dedicated our lives to making horsepower, improving drivability, or lowering elapsed times. The majority of us can do a good ...