Getting mixed opinions on if I should upgrade alt or not...

[AltarCrystal 10+ year member]

I will more than likely be running the amps in my sig. the Diamond pushing a peak of 400W (Atleast that's what it's rated at, right now it's only pushing 100W MAYBE. Only running my door coaxals, but looking to upgrade front tweats. maybe a bit of the rears as well) and the American Bass will push hopefully anywhere from 1200W to 1800W, but only 1200W for daily.

My stock alt is about 115 amps, according to AutoZone. I will be doing the Big 3 in 1/0.

I was thinking keep a killswitch on the remote wire for the American Bass amp, and for the first month or so, keep an eye on my voltage gauge on the dash.

Will I be fine? I also have a power inverter that has a max output of 100W (Will be using for the hard drive and any other misc add-ons I do)

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[IgnoreMe 5,000+ posts]

1200 watts will be ok off stock alt. and 1800 will be ok as well most likely (since you wont see max power very often). big three, and that should be it. check with a dmm to see how bad you drop voltage, and go from there.