Alternator upgrade? - Team Camaro Tech
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post #1 of 5 (permalink) Old Jan 12th, 06, 01:17 PM Thread Starter
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Alternator upgrade?

I recently upgraded the alternator on my '69 Pontiac to an 85amp unit with internal regulator from (I think) an '84 Camaro. It has the same external size.

On my Camaro, I'd prefer to keep the external regulator but upgrade the output. Does anyone know of a replacement unit that looks roughly original, has 80+ amps output, but still produces good power at idle?

A lot of these "130 amp" units and so forth that you see on eBay don't make jack at idle, which isn't acceptable...

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post #2 of 5 (permalink) Old Jan 12th, 06, 01:49 PM
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Re: Alternator upgrade?

I "Think" summit sells rebuilt / polished ext reg alternators up to 100 amps. Also, if you go to any auto parts store and ask for a 69 camaro w/a-c alternator they'll give you a 61 amp cheap. 61 is pretty adequate if you don't have electric fans.





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post #3 of 5 (permalink) Old Jan 12th, 06, 01:51 PM
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Re: Alternator upgrade?

Quote:
Originally Posted by davepl
On my Camaro, I'd prefer to keep the external regulator but upgrade the output. Does anyone know of a replacement unit that looks roughly original, has 80+ amps output, but still produces good power at idle?

A lot of these "130 amp" units and so forth that you see on eBay don't make jack at idle, which isn't acceptable...
edit: jim and i were typing at the same time, i dont know if you will find any externally regulated higher amp alternators, and dont know what advantages of one would be
i went through like 5 regulators before i switched and have had no problems sence

i got a powermaster internally regulated alternator from summit
100 amps max and 60 ish at idle
it came with the test card to show actual output, if i remember right it was 104 and 66? and it looked like my stock one, without all the rust of course
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post #4 of 5 (permalink) Old Jan 12th, 06, 02:17 PM
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Re: Alternator upgrade?

whatever the reason... I just didn't see a need to replace my 61 amp... Put a wells vr715 electronic regulator on it and it's just as good as internal with no wiring changes.

sum-812102 80 amp, ext chrome

is all i see at a glance





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post #5 of 5 (permalink) Old Jan 12th, 06, 02:19 PM
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Re: Alternator upgrade?

read about the difference in one wire internal reg. and 3 wire external reg. here ... www.madelectrical.com in their tech section. good info here.

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