C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

My alternator was acting funny.....

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Old Aug 12, 2008 | 06:34 PM
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Default My alternator was acting funny.....

Strange,took the vet for a spin this weekend
and i have 1 and 2 ....tranny's toasted ..well
i was flooring it and i was riding normal for something like 30 minutes
and after i took a rolling launch at 4500 rpms i stopped a bit
and the alt was not charging !!!! ..it was like 10.0 8.5 9.4 volts
i gas the pedal to 1000 rpm and it was charging ....but if i stopped doing that ...it went under 12 volts...this happened for 5 minutes,then it came back to normal and now its charging like a champ.-
what was it ??????
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Old Aug 12, 2008 | 10:24 PM
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Sounds like the belt is getting old (glazed) and is slipping. Eyeball it and the tensioner.
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Old Aug 12, 2008 | 10:33 PM
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thanks,will get a new belt !
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Old Aug 12, 2008 | 10:42 PM
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I've heard of people having problem like that after doing distributor work and forgeting to install/reinstall the ground bar into the distributor cap for the ignition coil.....thing will smoke the alternator after about 50 miles of drive time.

Good Luck!
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Old Aug 12, 2008 | 10:49 PM
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we install it everything OK
what was the ground bar anyway?
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Old Aug 12, 2008 | 11:01 PM
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Originally Posted by Calderone
we install it everything OK
what was the ground bar anyway?
Thin metal piece that sticks into the distributor cap.....connects the ground side of the 2 wire distributor plug to the coil.....it's very small (1" in length) and shaped kinda like a sqare root sign.

Last edited by engle1147; Aug 12, 2008 at 11:02 PM. Reason: can't speeel
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