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#1
05-30-2026, 08:40 PM
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1972 SJ alternator
Did the 72 come with an alternator that was internally regulated. I don’t see a voltage regulator under the hood . Thanks
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#2
05-30-2026, 08:56 PM
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Yes.
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! W.E.C moment "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#3
06-01-2026, 06:44 PM
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Being an SJ, if it came with rear defogger and AC, it would have an 80 amp alternator
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#4
06-01-2026, 08:03 PM
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Correct, #1101015 for the 80 amp.
(1100928 for 55 amp)
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! W.E.C moment "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#5
06-02-2026, 04:41 PM
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Alternator
Thanks for the reply’s. I was under the impression that GM didn’t start internally regulated alternators until 73-74. Thanks for the info and my car has A/C no rear defrost. And power windows.
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#6
06-02-2026, 06:52 PM
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I was thinking it was 1971 when all were internally regulated?
I'm a Firebird guy and know the 1970 and newer were internally regulated. But i'd have to look at the distributors again for the years.  Looked in SM and it looks like 1971 they are internally regulated?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! W.E.C moment "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates Last edited by johnta1; 06-02-2026 at 06:59 PM. |
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#7
06-04-2026, 08:35 PM
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New
I learn something new an all the time. Thanks for for all the help.
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