altenator and voltage regular - Team Camaro Tech
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post #1 of 6 (permalink) Old Jan 17th, 08, 05:07 PM Thread Starter
 
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altenator and voltage regular

The charging systems work, but I know its not exactly right...I have a small block chevy that has a altenator with an internal voltage regulator, and I have a separate external regulator mounted by the radiator , Anyway its wired all together, like I said it works good , the only problem I have besides it not be wired correctly, is ...when you first start it the voltage shows about 11volts or so , you have to hit the gas a couple of times then the volt gauge goes to normal 12.volts or so, then it will stay at 12 + volts ....again I only have to do this when I start the car ...should I get rid of the external regulator could this be the problem and how would I rewire it, , I've had the external regulator go out in the past and it quit charging, even thogh the altenator was internally regulated...just want to wire it correctly any help...
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post #2 of 6 (permalink) Old Jan 17th, 08, 06:02 PM
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David
 
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Re: altenator and voltage regular

...when you first start it the voltage shows about 11volts or so , you have to hit the gas a couple of times then the volt gauge goes to normal 12.volts or so, then it will stay at 12 + volts ....again I only have to do this when I start the car

The internal regulator in your alternator "starts" charging the battery when engine reaches 1,000 rpm. that is why you are having to tap the throttle to get the gauge to operate normally. Regarding the external regulator...unplug it from the connector it's not needed to regulate voltage with the one wire alternator.

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post #3 of 6 (permalink) Old Jan 17th, 08, 07:18 PM
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Location: Austin, TX, USA
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Re: altenator and voltage regular

11 volts is pretty good during a crank. But 12 volts while the engine is running is no bueno. Should be at least 13 or as high as 14 volts. David is correct though about the RPM issue on the OEM setup. I went with a CS130 and would recommend it.

Dave
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post #4 of 6 (permalink) Old Jan 17th, 08, 07:32 PM Thread Starter
 
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Re: altenator and voltage regular

cs130?????????????
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post #5 of 6 (permalink) Old Jan 18th, 08, 05:21 PM
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Re: altenator and voltage regular

The Tech Reference on the home page has a link to a CS130 conversion write-up. The link is screwed up on the home page it seems, but here it is. https://www.camaros.net/techref/ftecref14.html

There is also some stuff in the "Electrical Stickies" about internal regulator conversions. You may find this useful. https://www.camaros.net/techref/electrical/dnult_alt/

IMHO, there is no reason not to step up to a CS style alternator. They look better, work better, and last longer by far.

Dave
========================
68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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post #6 of 6 (permalink) Old Jan 19th, 08, 08:00 AM Thread Starter
 
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Re: altenator and voltage regular

cs130 ,excellent information!!!!!!!!!!!!!
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