While some have advantages over others, these 12 engines have displayed optimal traits for successful tuning.

While we like to think of 2002 as being part of a high-tech age, our beloved internal combustion engine hasn't really changed much in the last 50 years. We're still using pushrods and overhead valves, ...

Want to inject some additional performance into your car? Performance chips are an easy way to add more horsepower and torque. If you are looking to get more power and better fuel economy from your ...