Does Big 3 upgrade really work?
Does Big 3 upgrade really work? The “Big 3” upgrade can not only improve the performance of your audio system, it can also enhance the performance of the entire electrical system for your vehicle (which can lead to improved fuel economy or additional horsepower). In other words, upgrading the “Big 3” is almost always a good idea. How many watts can a stock alternator handle? So theoretically, since watts = amps X volts, the stock electrical system should be able to handle a 1512 watt load. Since 13.5 volts is a more realistic number for the alternator to produce, that...