Precise and scientific or unrefined and ham-fisted? Despite the reputations sequential and batch-fire injection styles each carry, does either really make a difference when it comes to overall power? The guys explore that question, as well as tunability, what it takes to make the switch, and all of the pros and cons that come along with each.

Can any one type of spark plug make more power than the next? What about the ones with fancy metal tips or extra ground straps? What if you gap them bigger or smaller? The crew answers all these questions and shares as many tips and tricks as you can handle.