Alternator Upgrade?


New member
Username: Nickb920

Post Number: 3
Registered: Jan-05
I have a 1997 Chevy tahoe and i just purchased a Hifonics BX1500d which i will be running at 1ohm 1500 watts. I have a 1 farad Monster cap. Will i need to upgrade the alternator and if so how much does that cost installed?

Gold Member
Username: Carguy

Post Number: 1236
Registered: Nov-04
You might want to contact your Chevy dealer for the stock alternator's power rating. It's probably somewhere around 75A - 80A. I see you got fooled into buying monster cap. It won't do anything for a weak alternator. For the future, you only need 1F capacitor per 1000W of peak power.
You will need at least 150A HO alternator. They usually cost anywhere from $200 - $350. Since you have a Chevy, American car, it might be cheaper.
Try for prices and models.

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