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 ...

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 ...

Owners of the Nissan Fairlady Z in Japan can now improve the engine performance of their sportscar thanks to the new “Nismo Sports Resetting Type 2” tuning package. According to Nissan, the “Nismo ...

Tuning the Chevy Corvette C8 is not an easy task, as GM opted for an encrypted ECU that was out of reach for tuners. What tuners have done is use a piggyback device to trick the engine into delivering ...

When we last left Project Sti we had done the first round of engine mods and reached the limits of the stock fuel system. Project STi was running on the verge of dangerous leanness with the air/fuel ...

JDM engines have long attracted car enthusiasts and gearheads worldwide. And why not? They have creative and clever designs, are reliable, and really pack a punch if you know what engines to get and ...

These legends defy expectations with their ability to last for hundreds of thousands of miles.

German engine tuning company McChip-DKR has released a new engine map for the 2.0L turbocharged LTG engine found in the sixth-generation Chevy Camaro. McChip-DKR’s new Stage 1 engine map for the 2.0L ...

Whether you're tearing up back twisties on your favorite sportbike or going full throttle on the interstate on a cruiser, the power you feel and how fast you go is directly related to engine ...