alternator pulley info help needed
04-19-2011, 11:18 PM
#1
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Join Date: Nov 2005
Location: Jersey
Posts: 368
alternator pulley info help needed
I have an alternator that only charges the batt at around 2000rpm. At idle my volt gauge reads 12V and at 2000rpm it reads 14-14.4V.
It has a really big pulley, but if i change to a smaller pulley will it fix it so it charges at idle? Or will it just blow the alternator and i should replace it?
It has a really big pulley, but if i change to a smaller pulley will it fix it so it charges at idle? Or will it just blow the alternator and i should replace it?
04-22-2011, 09:51 AM
#3
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Join Date: Jul 2002
Location: Friendswood, TX, USA
Posts: 3,769
Re: alternator pulley info help needed
I have an alternator that only charges the batt at around 2000rpm. At idle my volt gauge reads 12V and at 2000rpm it reads 14-14.4V.
It has a really big pulley, but if i change to a smaller pulley will it fix it so it charges at idle? Or will it just blow the alternator and i should replace it?
It has a really big pulley, but if i change to a smaller pulley will it fix it so it charges at idle? Or will it just blow the alternator and i should replace it?
Yes, replacing the over size pulley with a smaller one(stock) will help with your low rpm charging.
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