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 ...

Turbocharging your small block is one of the most exciting ways to unleash serious horsepower. Whether it's an old first-generation 350 small block, a modern LS, or even a Ford Windsor, bolting a ...

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 ...

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 ...

Small internal combustion engines usually keep things simple, relying on carburetors to handle metering the correct amount of fuel and air. Recently, [Carlos Takeshita] decided his small engine could ...

After having a proper platform with improved brakes, suspension, and transmission, the car is now ready to receive a better heart so it can move as great as it looks. But do that smart, and you'll get ...

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 ...