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#1
03-11-2021, 09:01 AM
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Alternator Question
Does anyone know how many amps the 10SI series alternator put out in the 1977 Trans am? I want to do a rebuild on it and don't know what to order. There's no air conditioning or power windows but I still want to refurbish the alternator to original. Suggestions for a quality rebuild kit would be appreciated. I want to keep the original.
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#2
03-11-2021, 10:03 AM
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The original should have the amps stamped on the case. Without AC probably 37A or 42A
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#3
03-11-2021, 12:01 PM
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According to Wallace racing, without AC or rear defog, 37A. If you have rear defog, then 55A. I have had good luck buying alternator parts from https://alternatorparts.com.
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#4
03-12-2021, 09:09 AM
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My local NAPA got the parts I needed to rebuild a few of mine.
__________________
66 GTO Nostalgia Super Stock/Street Legal Car 421 CID, stock block, Wenzler Intake, 2- Carter 750 AFB's, 3.90 Gears, Full Factory Interior, Full Exhaust, Stock Suspension 3750LBS 9.77@136.99 Multiple NSCA/NMCA World Champion 66 GTO 389 3x2, 4 speed, 4.33 gear, Montero Red 33K original Miles 67 GTO 2dr Post, 428, Tri Power, 3.55 Gears 80 Trans Am Black SE Y84 W72 WS6 |
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