Just what the title says wondering what others have used and their effects.
Unless you have some massive power adders on the motor you wont notice any performance gain since the factory ignition system can handle alot more than what your stock motor requires. However it does allow for more reliability. Which in your hunt for milage will help since it wont wear out as fast and will help you maintain the same milage longer.The Firepower kit will take care of it? Any performance gain or just reliability.