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11-29-2012, 02:21 PM
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#1 |
 
Drives: 2010 Victory Red 2SS Join Date: May 2012
Location: Atlanta
Posts: 423
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At what point is a larger alternator necessary?
Wondering if anyone has run into the "limit" yet and what that was.
I'm running: -a ton of RGB LEDs, with more on the way. -additional xenon projector fogs. -(future) 2x 15" subs + speaker / amplifier upgrades + 2x 8" subs. -And lots of other stuff I'm cooking up. I know I'm well inside the "safe zone" for now, but I haven't heard of anyone upgrading the alternator on here yet so it must not be much of an issue? Thanks in advance for any advice you have! (Btw mine's the V8, if there's a difference). |
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11-29-2012, 03:40 PM
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#2 |
     
Drives: 2011 Camaro SS/RS LS3 Join Date: Aug 2010
Location: Texas
Posts: 1,632
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the lights wont matter. depending on how big the amp is, how loud you have it, you may have an issue, but doubt it.
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11-29-2012, 03:47 PM
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#3 |
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need....more....hp
Drives: The Neighbor Hater Join Date: Dec 2010
Location: San Mateo, CA
Posts: 4,091
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the factory alternator is 150amps, so you should be able to figure out how much you are taxing the alternator. I doubt more than 65-70%.
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Mast Motorsports Built LS3 Stroker 418, IPS GT35R Twin Turbos, Exedy GTO4XD Twin Disc Clutch, Aeromotive A1000 Eliminator Stealth Fuel Pump, AEM Meth Injection, DSS 1400hp Axels, BC Coilovers, Pfadt & BMR Suspension, Hawk HPS Pads, Drilled/Slotted Rotors, Hurst Shifter, Custom Roll Cage by Blu808, T3 Ports, 22" Custom Concave Mesh Rims |
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11-29-2012, 03:52 PM
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#4 |
   
Drives: 2012 2SS/RS Convertible Join Date: Aug 2012
Location: SoCal Baby...
Posts: 2,530
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I'm only responsible for what I say, not for what you fail to understand.
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11-29-2012, 04:17 PM
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#5 |
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[COTW 5/12/14]
Drives: 2012 CRT NF Cammed 2SS/RS For Sale Join Date: Oct 2011
Location: NOLA
Posts: 6,115
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Leds draw very little, and think your new fogs wouldnt be that much over the stock ones.
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11-29-2012, 05:30 PM
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#6 |
 
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You'll be alright.
With that sound System you want you should need a stronger battery like a Kinetik KHC2000. Led Lights draw less power.
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11-30-2012, 01:37 PM
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#7 |
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Drives: 2010 Victory Red 2SS Join Date: May 2012
Location: Atlanta
Posts: 423
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Great! Thanks for the advice. Has anyone ever done a dual-battery setup on here?
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12-02-2012, 01:55 AM
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#8 |
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lift.eat.money.sleep.
Drives: 2013 2SS 1LE Join Date: Nov 2012
Location: Eureka CA
Posts: 65
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Pfft ya man your draw is a lot higher that your output. What the rms of the subs alone? Is get that HO alt asap. You'd probly notice an increase in audio quality too.
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12-02-2012, 04:18 AM
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#9 |
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Helping Build America
Drives: 2010 2SS/RS,LS3 2013 Duramax 3500HD Join Date: Aug 2008
Location: Freeport LPG Export
Posts: 3,839
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When you can see lights dimming and the voltage meter dipping, time for a HO alternator. Or do the math. If lights aren't dimming you should be good though. Best thing is when you fire up the 15s make sure to wire the amp with the proper gauge wire. I used 1/0 to a distribution block and 4GA to each amp. Very short runs. Make sure the ground is same gauge as power supply.
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Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting "Holy shit, what a ride!"
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12-02-2012, 11:12 AM
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#10 |
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Would rather be riding
Drives: No car no more Join Date: Jul 2009
Location: Indiana
Posts: 2,750
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Run a good quality capacitor on your amp and it won't tax the car's electrical system as much,
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5th Gen owner 2009-2016. |
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12-02-2012, 12:06 PM
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#11 |
Drives: 2012 45th Vert, 2011 4x4, 9sec Vega Join Date: Mar 2012
Location: Canada
Posts: 2,188
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150 amps is huge. When I put twin 900 watt amps in my 1970 Chev 4x4, they had me upgrade to a 105 amp and I was good.
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I feel it only fair to warn you, I have a black belt in CAPS LOCK.
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12-02-2012, 03:52 PM
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#12 |
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Helping Build America
Drives: 2010 2SS/RS,LS3 2013 Duramax 3500HD Join Date: Aug 2008
Location: Freeport LPG Export
Posts: 3,839
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I am running 2 12" subs with 1100 watts RMS to each and I have no problem while the car is running.
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Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting "Holy shit, what a ride!"
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