Thread: Alternator Mods
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Old 01-27-2009, 02:29 AM   #36 (permalink)
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Join Date: Jul 2008
Location: Bozeman, MT
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Daily Driver - '02 Pontiac Grand Prix SE
90 day: 18.45 mpg (US)
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Something to note.... the AD244 alternator GM uses in several fullsize rigs puts out around 200A at idle, and slopes off to 145A around 1900rpm. I have no idea why it does that, but I plan to swap to it on my truck to support all the offroad aux lighting.

Anybody understand the principles better than I?
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