Will I need to upgrade electrical if...

if your not getting dimming, you should be alright without upgrading your alt. If you decide to run a real amp later on then you might need to upgrade it then. I dont see you having issues with another amp. but you Might. The big 3 would help.
also dont split it like that. Just get another 0 gauge run or something neater. dont put more current draw on a wire that cant draw the power from a larger one.
instead of running another 0ga run how about a 4 way distro block?

0ga in 3 4ga out?

thanks man!

 
so you think Ill be fine on stock 130 amp alt w/ @ absolute most 1700rms consisting of 2 m850's and 1 pdx 5 rated at 100 a channel?

Thanks again!

keep in mind the gains will not be all the way up

i have 0ga wire as stated before

 
We can't possibly tell you if you'll need a new alt or not. It will depend greatly on your listening habits, which we have no control over or even a way to guess. You could hook a million watt stereo to your stock alt and be fine, assuming your listening habits kept the power draw within an acceptable level.

What I always recommend is, unless its obvious it isn't going to work (like 5kw on a 80amp alt), try it and see if you have dimming/voltage problems before spending the extra cash on an alternator. Just carry jumper cables with you the first couple weeks.

 
my habits are normal I guess with the occasional feeling of "i want to vibrate my car apart" I normally listen at about 1/3 level and only turn it up to about 3/4 when in the mood....you know what I mean

thanks audioholic

P.S. is that amp any good...you recommend anything else at around $350 new?

 
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