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Topic: Alternator for a 73

in Forum: C3 Electrical

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Alternator for a 73 (1/3)
6/30/17 3:15pm

carls73
Former Member
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Kingwood, TX - USA

Vette(s):
1973 Stingray 2005 Coupe

Joined: 6/30/2017
Posts: 6

I have a 73 Stingray and the alternator is going out. Any recommendations of what amp rating I should replace it with?

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Re: Alternator for a 73 (2/3)
6/30/17 7:05pm

73shark
Limited Member
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 866

WELCOME to the forum . I can't remember for sure but I think it's either 60 or 80 for stock alternators. I'm on the road now and can't look it up but if no one else comes back to you, I'll check when I get home.

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1973 L-82 4 spd

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Re: Alternator for a 73 (3/3)
7/1/17 10:16am

Adams' Apple

Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 20129

The alternator has a stamped amp rating on it. Replace with what it has, unless you have added a high powered stereo or other voltage hungry components. Iirc, it should have a 63 amp alt on it if it has A/C.

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Joel Adams
C3VR Lifetime Member #56
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