Alternator Replacement

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  #1  
Old 07-26-15, 05:56 PM
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Alternator Replacement

Wonder if there is any real advantage to upping the amperage when replacing an alternator. My current one is rated at 90 amps, but saw a few online that were rated for 105 and even 165 amp (the last one recommended upping the cables due to the higher amperage).
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Old 07-26-15, 06:42 PM
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What vehicle do you own?

What are you running in the vehicle above stock?

Biggest issue is heat.

Yes the wiring is only so big so if you oversize you may need to increase wire size.. additionally the belts need to be longer too..

We can help if you state your exact vehicle as mentioned above...
 
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Old 07-27-15, 05:57 AM
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Its for an old 2000 Isuzu Rodeo. I don't have a super stereo, or anything like that. Just curious if there would be any advantage to increasing the amperage of my alternator.
 
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Old 07-27-15, 06:38 AM
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The main advantage is to compensate for higher amp draw, I don't know that there is any advantage if everything is stock.
 
  #5  
Old 07-27-15, 06:52 AM
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I would just put the stock alternator in..

You can read what I did here.

http://www.doityourself.com/forum/el...lternator.html

If and when my 105 amp bosch alt goes I will replace with the 145 amp 2005 and up model.

But im using mine to charge RV batterys..

No issues yet..
 
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