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 ...

When the same motor is engine dyno tested and chassis dyno tested, a different tune is needed to produce the most efficient power. Once installed in the car, the vehicle's accessories, exhaust, and ...

Your truck's factory settings are holding back more power than you'd expect.

Whether basic bolt-ons or forced-induction, gearheads can’t help but modify their rides. With the rise of handheld and PC-based ECU tuners, folks have an easier time than ever making big power from ...

Photo: Honda Motor Co., Ltd. Often ridiculed by many gearheads, four-cylinder engines can be as potent as those with twice as many cylinders. Four-cylinders were among the first types of internal ...

Chevrolet's small-block engine family has gained a cult following among die-hard fans and non-GM aficionados since the original Gen 1 V8 debuted in the 1955 Chevrolet and C1 Chevy Corvette. It didn't ...

Tuning is a trendy concept among drivers. Everyone likes modifying and improving their cars for better results, such as increased performance. However, for most, tuning costs are an essential ...