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Old 03-19-2015, 02:18 PM   #1
Gmc-76
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Join Date: May 2013
Location: easton maryland
Posts: 93
alt differences?

I have an 85 c10 with a 305. I replaced the factory alternator with a "higher amperage" factory one from advance auto. I have 2 amps and 3 12' subwoofers in my truck, and they draw a lot of power from the alternator. What is a good alt upgrade? Tired of the lights dimming every time I listen to the radio.
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85 Sierra Classic c10, 305/350/2:73(86k original)
instagram: anabb_98
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