Anyone upgraded alts(I know you have Emp)?
10-29-2012, 10:03 PM
#1
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Anyone upgraded alts(I know you have Emp)?
Will this one work as a direct replacement? I am looking at the 140A remanufactured one. I want more charging capability and right now I don't have the money for a dual alt setup or a MechMan which will throw a cel(I live in an emissions state). My alt went out and I needs meh car!
Edit, incase the link doesn't work here is the p/n: USA3109
Edit, incase the link doesn't work here is the p/n: USA3109
11-28-2012, 07:45 AM
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11-30-2012, 04:21 AM
#7
ya ive herd good things another member on here has been running one for a while now
https://www.cobaltss.net/forums/elec...ilable-258050/
https://www.cobaltss.net/forums/elec...ilable-258050/
12-03-2012, 09:52 PM
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Honestly it kinda depends on the drain... I don't know if this is correct or not but this is how I look at mine:
~105 amp alt so thats good enough for stock electrical
CB radio 45 watts so divide by volts and round 4 amps
Fosgate PBR300.1 26-40 amps
add it all up: 105+4+40=149 so my optimum setup would have a 149 amp alt but wait... Idle speed puts out less current than when driving so I personally would find one with a 140-150 idle rating which would allow me to run a bit more if I wanted to... As long as you don't demo at idle for hours on end you could just use my theory and it will work out fine.
~105 amp alt so thats good enough for stock electrical
CB radio 45 watts so divide by volts and round 4 amps
Fosgate PBR300.1 26-40 amps
add it all up: 105+4+40=149 so my optimum setup would have a 149 amp alt but wait... Idle speed puts out less current than when driving so I personally would find one with a 140-150 idle rating which would allow me to run a bit more if I wanted to... As long as you don't demo at idle for hours on end you could just use my theory and it will work out fine.
12-04-2012, 01:40 AM
#12
true but you also have to realize that your not going to be using all the electronics at once all the time and your total draw doesnt have to = your alt output. I would say shooting for that would be the best in the good better best type deal but that's defiantly not going to be the minimum
12-04-2012, 11:33 AM
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Yeah but if we are talking about alt upgrades might as well run it as a "best case scenerio" and allow some slight variation from that...
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