Upgrade to 3g alternator

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Author Topic: Upgrade to 3g alternator  (Read 3006 times)

Offline tired69

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  • Location: central coast
tired69
Upgrade to 3g alternator
« on: September 04, 2022, 09:51:26 pm »
Hi all.
Looking to upgrade to a higer amp alternator has anybody  used the ford 3 g altenator.
Im running new upgraded wiring harness from american autowire twim thermo fans, sniper efi, digital dash, head light upgrade etc. No AC.
Any thoughts.
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Online 289 vert

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289 vert
Re: Upgrade to 3g alternator
« Reply #1 on: September 05, 2022, 10:49:37 am »
A 130A 3g needs either a serpentine belt, or a dual groove alternator pulley and two v-belts.
90A 3g can use a single v-belt without squealing.
I like the 3g for its 14+ volts charging at idle. They sense voltage requirements better than other setups.
The first V8 mustang with an electric fan, was also the first mustang with a 3g.
« Last Edit: October 04, 2022, 08:48:54 am by 289 vert »
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"Never argue with an idiot. They will drag you down to their level and beat you with experience."

Offline tired69

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  • Posts: 91
  • Location: central coast
tired69
Re: Upgrade to 3g alternator
« Reply #2 on: September 09, 2022, 05:08:20 pm »
Ok thanks for the info
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