I'm not an audio wizard, but it seems like the common trend is that the stock alt is up to the task while the engine is running. The problem is how long can the battery hold out with out the engine running. And you don't want to put in a second battery when you don't need one or put in a h.o. alt when you don't need one.
so why don't we keep it simple. start with just one battery and the stock alt and see from there. And keep one of these
Amazon.com: Duracell Powerpack 450 Jumpstarter with Built-In 150 PSI Air Compressor: Automotive
in your car so you don't get stuck in the parking lot.
