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From what I'm told, 1000-1500 usually depending on the car. Apparently the formula is battery voltage X how many camps alternator is.

So lets say 13.8 volts X 70amp alt = 966.

correct me if I'm wrong. I'm new and dont know much.

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Depends on how big your stock alt is. Some cars come with 60 amps, some cars come with 145 amps. So as stated above what kind of vehicle?

From what I'm told, 1000-1500 usually depending on the car. Apparently the formula is battery voltage X how many camps alternator is.

So lets say 13.8 volts X 70amp alt = 966.

correct me if I'm wrong. I'm new and dont know much.

Thats just how many watts your alt produces.

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Like everyone says it really depends on the vehicle. Ive seen some trucks stock that can support 2000watts no problem but my car has bad voltage drop with the setup in my sig to the point where i can't even reach full tilt before its dropping below 12v on a rollup

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my 1998 dodge ram 1500 is running 1700rms all stock with NO problems, very little dimming or anything. so all depends on vehicle lol.

Driving my 2008 Dodge Ram 2500 MEGA cab with the 5.7 hemi.

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Hifonics BRZ 2400.1D @ .5 ohm

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But you have to remember that most cars alts are designed around what electrical the car comes with, so 75-80% of the alt's power is alread used for the vehicle

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my explorer's stock alt was like 160a, so i could handle right around 1500 RMS without dropping into the 12's...

c'mon now, if i was shooting an 8 year old, it wouldnt be MY 8 year old.

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on stock my truck could run 2 aq1200s with the gains down a bit and not drop into the 12s. but we need to know what alternator you have. but generally, stock can handle about ~1krms but might have a little light dimming.

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