Impious

Why?

That is a disgrace to Camaros of every generation.....even the ugly one's from the '70s

Lies !

It does not affect the level of the channels. But what you might be hearing is a change in frequency response.

Stop it Goddammit !

I'm not overly familiar with that Pioneer deck, but my intuition would be that you are supposed to measure the difference in distance between the two speakers at the listening position and then use that difference in inches (or centimeters, however you prefer to measure) as the adjustment on the headunit. So, for example, if your left speaker is 24" from your head, and the right speaker is 42" from your head, you would delay the left side by 18". However I've always just done it by ear. It would be very helpful if you had a decent track with reasonable imaging to begin with.

I don't know anything about your alternator, vehicle accessories or how you will end up using your stereo system......but I personally would probably go for the HC1800.

It's one of my pet peeves

Last time I checked, the Sundown 3500 was Xenon. It's Zenon. Xenon was an amplifier line by Phoenix Gold. http://www.zenonaudio.com/logout/company/introduction.htm

Really need to know much more about your stereo before we can assist you in setting time alignment. What speakers are installed, and where are they installed at?

I use a relay, and run the output of the relay to a barrier strip to distribute the power to my amplifiers. So I say use both