If you've been readingHPPfor any length of time, you likely recognized the importance of spark advance. Over the years we have reported through dyno and/or dragstrip testing the benefits of optimizing ...

Get a trick advance kit for your distributor and your car will have more power and get better gas mileage! Does this sound like hype, or is this the promise of "free horsepower"—with the only ...

Having a car with outrageous low-end throttle response and top-end horsepower is something every gearhead strives for. The correct combination of parts will get you close, but it’s the tune-up that ...