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Power

Old 11-16-2006, 12:43 AM
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Power

i have been doing some reading and have found out i have a 90 amp alternator. I will be drawing 475 watt rms (max) from amps which would be a 32 amp drain on battery. If i upity the wire guage from alternator to battery to a 4 guage, and the chasis ground from negative terminal, I think i will do without the cap for the time being.

Does this sound sufficient? Am I gonna have to upgrade the alternator?(which i will next time, but was not counting on right now)
I have a 148 hp motor(roughly 110kw)
As always, I very much appreciate the feedback.

Last edited by ravesrus; 11-16-2006 at 01:18 AM.
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Old 11-16-2006, 03:04 AM
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Check back to your other post.
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Old 11-16-2006, 06:02 AM
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Originally Posted by ravesrus
Does this sound sufficient? Am I gonna have to upgrade the alternator?
eventually yes, but it depends on so many factors. if you plan on expanding your system in the future than you should consider it. a stock alt will take the abuse for so long until it gets tired and fails. don`t forget that your cars electrical system needs 50-60amps to operate, and whats left is reserve capacity, but also note that you have a loss of amperage due to heat of about 20-40% at operating temperature. if you do the math there goes all your reserve capacity.

your poor alt has to work so hard for the same amount of pay, one day it`ll want to retire early?
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Old 11-16-2006, 06:51 AM
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Originally Posted by mayhem
your poor alt has to work so hard for the same amount of pay, one day it`ll want to retire early?
Damn mayhem, you're going to make me shed a tear.
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